Finding the Fourth Proportional to 418,337.31, 577,309.11 and 227,350.74
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Solution
The fourth proportional to 418,337.31, 577,309.11 and 227,350.74 is: 313,745.99
Step by Step Solution
- Step 1: Write the proportion equation
418,337.31 : 577,309.11 = 227,350.74 : x - Step 2: Convert to fraction form
418,337.31/577,309.11 = 227,350.74/x - Step 3: Cross multiply
418,337.31x = 577,309.11 × 227,350.74 - Step 4: Simplify right side
418,337.31x = 131,251,653,367.24 - Step 5: Solve for x
x = 131,251,653,367.24/418,337.31 - Step 6: Final answer
x = 313,745.99
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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.