Finding the Fourth Proportional to 381,716.67, 572,487.52 and 171,414.75
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Solution
The fourth proportional to 381,716.67, 572,487.52 and 171,414.75 is: 257,082.84
Step by Step Solution
- Step 1: Write the proportion equation
381,716.67 : 572,487.52 = 171,414.75 : x - Step 2: Convert to fraction form
381,716.67/572,487.52 = 171,414.75/x - Step 3: Cross multiply
381,716.67x = 572,487.52 × 171,414.75 - Step 4: Simplify right side
381,716.67x = 98,132,805,118.92 - Step 5: Solve for x
x = 98,132,805,118.92/381,716.67 - Step 6: Final answer
x = 257,082.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.