Finding the Fourth Proportional to 345,734.11, 517,909.42 and 274,776.49
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Solution
The fourth proportional to 345,734.11, 517,909.42 and 274,776.49 is: 411,614.96
Step by Step Solution
- Step 1: Write the proportion equation
345,734.11 : 517,909.42 = 274,776.49 : x - Step 2: Convert to fraction form
345,734.11/517,909.42 = 274,776.49/x - Step 3: Cross multiply
345,734.11x = 517,909.42 × 274,776.49 - Step 4: Simplify right side
345,734.11x = 142,309,332,565.54 - Step 5: Solve for x
x = 142,309,332,565.54/345,734.11 - Step 6: Final answer
x = 411,614.96
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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.