Finding the Fourth Proportional to 247,125.49, 341,069.61 and 156,489.73
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Solution
The fourth proportional to 247,125.49, 341,069.61 and 156,489.73 is: 215,978.90
Step by Step Solution
- Step 1: Write the proportion equation
247,125.49 : 341,069.61 = 156,489.73 : x - Step 2: Convert to fraction form
247,125.49/341,069.61 = 156,489.73/x - Step 3: Cross multiply
247,125.49x = 341,069.61 × 156,489.73 - Step 4: Simplify right side
247,125.49x = 53,373,891,180.11 - Step 5: Solve for x
x = 53,373,891,180.11/247,125.49 - Step 6: Final answer
x = 215,978.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.