Finding the Fourth Proportional to 418,572.55, 577,614.20 and 227,586.09
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Solution
The fourth proportional to 418,572.55, 577,614.20 and 227,586.09 is: 314,060.15
Step by Step Solution
- Step 1: Write the proportion equation
418,572.55 : 577,614.20 = 227,586.09 : x - Step 2: Convert to fraction form
418,572.55/577,614.20 = 227,586.09/x - Step 3: Cross multiply
418,572.55x = 577,614.20 × 227,586.09 - Step 4: Simplify right side
418,572.55x = 131,456,957,306.48 - Step 5: Solve for x
x = 131,456,957,306.48/418,572.55 - Step 6: Final answer
x = 314,060.15
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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.