Finding the Fourth Proportional to 418,162.57, 577,062.84 and 227,174.29
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Solution
The fourth proportional to 418,162.57, 577,062.84 and 227,174.29 is: 313,499.70
Step by Step Solution
- Step 1: Write the proportion equation
418,162.57 : 577,062.84 = 227,174.29 : x - Step 2: Convert to fraction form
418,162.57/577,062.84 = 227,174.29/x - Step 3: Cross multiply
418,162.57x = 577,062.84 × 227,174.29 - Step 4: Simplify right side
418,162.57x = 131,093,840,962.38 - Step 5: Solve for x
x = 131,093,840,962.38/418,162.57 - Step 6: Final answer
x = 313,499.70
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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.