Finding the Fourth Proportional to 418,512.26, 577,553.49 and 227,526.38
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Solution
The fourth proportional to 418,512.26, 577,553.49 and 227,526.38 is: 313,989.98
Step by Step Solution
- Step 1: Write the proportion equation
418,512.26 : 577,553.49 = 227,526.38 : x - Step 2: Convert to fraction form
418,512.26/577,553.49 = 227,526.38/x - Step 3: Cross multiply
418,512.26x = 577,553.49 × 227,526.38 - Step 4: Simplify right side
418,512.26x = 131,408,654,836.07 - Step 5: Solve for x
x = 131,408,654,836.07/418,512.26 - Step 6: Final answer
x = 313,989.98
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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.