Finding the Fourth Proportional to 418,237.52, 577,170.12 and 227,252.48
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Solution
The fourth proportional to 418,237.52, 577,170.12 and 227,252.48 is: 313,609.70
Step by Step Solution
- Step 1: Write the proportion equation
418,237.52 : 577,170.12 = 227,252.48 : x - Step 2: Convert to fraction form
418,237.52/577,170.12 = 227,252.48/x - Step 3: Cross multiply
418,237.52x = 577,170.12 × 227,252.48 - Step 4: Simplify right side
418,237.52x = 131,163,341,151.90 - Step 5: Solve for x
x = 131,163,341,151.90/418,237.52 - Step 6: Final answer
x = 313,609.70
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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.