Finding the Fourth Proportional to 418,506.26, 577,545.21 and 227,520.38
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Solution
The fourth proportional to 418,506.26, 577,545.21 and 227,520.38 is: 313,981.70
Step by Step Solution
- Step 1: Write the proportion equation
418,506.26 : 577,545.21 = 227,520.38 : x - Step 2: Convert to fraction form
418,506.26/577,545.21 = 227,520.38/x - Step 3: Cross multiply
418,506.26x = 577,545.21 × 227,520.38 - Step 4: Simplify right side
418,506.26x = 131,403,305,646.38 - Step 5: Solve for x
x = 131,403,305,646.38/418,506.26 - Step 6: Final answer
x = 313,981.70
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1.5x scale
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.