Finding the Fourth Proportional to 418,553.26, 577,609.19 and 227,566.20
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Solution
The fourth proportional to 418,553.26, 577,609.19 and 227,566.20 is: 314,044.45
Step by Step Solution
- Step 1: Write the proportion equation
418,553.26 : 577,609.19 = 227,566.20 : x - Step 2: Convert to fraction form
418,553.26/577,609.19 = 227,566.20/x - Step 3: Cross multiply
418,553.26x = 577,609.19 × 227,566.20 - Step 4: Simplify right side
418,553.26x = 131,444,328,453.38 - Step 5: Solve for x
x = 131,444,328,453.38/418,553.26 - Step 6: Final answer
x = 314,044.45
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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.