Finding the Fourth Proportional to 493,619.68, 740,427.09 and 119,642.68
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Solution
The fourth proportional to 493,619.68, 740,427.09 and 119,642.68 is: 179,463.43
Step by Step Solution
- Step 1: Write the proportion equation
493,619.68 : 740,427.09 = 119,642.68 : x - Step 2: Convert to fraction form
493,619.68/740,427.09 = 119,642.68/x - Step 3: Cross multiply
493,619.68x = 740,427.09 × 119,642.68 - Step 4: Simplify right side
493,619.68x = 88,586,681,392.20 - Step 5: Solve for x
x = 88,586,681,392.20/493,619.68 - Step 6: Final answer
x = 179,463.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.