Finding the Fourth Proportional to 418,380.24, 577,350.60 and 239,497.68
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Solution
The fourth proportional to 418,380.24, 577,350.60 and 239,497.68 is: 330,498.71
Step by Step Solution
- Step 1: Write the proportion equation
418,380.24 : 577,350.60 = 239,497.68 : x - Step 2: Convert to fraction form
418,380.24/577,350.60 = 239,497.68/x - Step 3: Cross multiply
418,380.24x = 577,350.60 × 239,497.68 - Step 4: Simplify right side
418,380.24x = 138,274,129,246.61 - Step 5: Solve for x
x = 138,274,129,246.61/418,380.24 - Step 6: Final answer
x = 330,498.71
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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.