Finding the Fourth Proportional to 437,517.32, 656,313.03 and 121,974.53
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Solution
The fourth proportional to 437,517.32, 656,313.03 and 121,974.53 is: 182,972.12
Step by Step Solution
- Step 1: Write the proportion equation
437,517.32 : 656,313.03 = 121,974.53 : x - Step 2: Convert to fraction form
437,517.32/656,313.03 = 121,974.53/x - Step 3: Cross multiply
437,517.32x = 656,313.03 × 121,974.53 - Step 4: Simplify right side
437,517.32x = 80,053,473,367.13 - Step 5: Solve for x
x = 80,053,473,367.13/437,517.32 - Step 6: Final answer
x = 182,972.12
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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.