 | Robert Remington Goff - 1922 - 136 pages
...equal ratios, the sum of the antecedents is to the sum of the consequents as any antecedent is to its consequent. The first and fourth terms of a proportion are called the extremes; the second and the third, the means. When the second and third terms are equal, either is called the mean proportional,... | |
 | Edson Homer Taylor, Fiske Allen - Mathematics - 1923 - 104 pages
...of the first divided by the second. 182. A proportion is a statement of the equality of two ratios. The first and fourth terms of a proportion are called the extremes, and the second and third are the means of the proportion. In the proportion [3/4 = 15/20, 3 and 20... | |
 | Jan Gullberg - Mathematics - 1997 - 1148 pages
...being that a ratio is generally not expressed in the form of a decimal fraction. The first term of a ratio is called the antecedent; the second term is the consequent. The antecedent equals the ratio times the consequent. This notation is used exclusively to express a change... | |
 | Pliny Earle Chase - Arithmetic - 1848 - 300 pages
...proportion may be written in either of the following ways : 2:3::4:6; 2:3 = 4:6; 2-=- 3 = 4-=- 6; 1 = J. The first and fourth terms of a proportion, are called the extremes, and the second and third terms are called the means. In every proportion, the product of the extremes... | |
| |
The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means. 
