The relationship of two quantities.
May be expressed as a:
The equality of two ratios
A check as to the equality of two ratios can be made by cross multiplying.
a. Multiply the numerator of the first ratio times the denominator of the second
b. Then, multiply the denominator of the first ratio times the numerator of the
c. If the ratios are the same or equal, the results of the cross multiplication will
be the same.