Finding the Fourth Proportional to 418,534.12, 577,565.22 and 227,543.08
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Solution
The fourth proportional to 418,534.12, 577,565.22 and 227,543.08 is: 314,003.00
Step by Step Solution
- Step 1: Write the proportion equation
418,534.12 : 577,565.22 = 227,543.08 : x - Step 2: Convert to fraction form
418,534.12/577,565.22 = 227,543.08/x - Step 3: Cross multiply
418,534.12x = 577,565.22 × 227,543.08 - Step 4: Simplify right side
418,534.12x = 131,420,969,059.68 - Step 5: Solve for x
x = 131,420,969,059.68/418,534.12 - Step 6: Final answer
x = 314,003.00
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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.