Finding the Fourth Proportional to 467,286.26, 644,854.20 and 252,425.66
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Solution
The fourth proportional to 467,286.26, 644,854.20 and 252,425.66 is: 348,346.95
Step by Step Solution
- Step 1: Write the proportion equation
467,286.26 : 644,854.20 = 252,425.66 : x - Step 2: Convert to fraction form
467,286.26/644,854.20 = 252,425.66/x - Step 3: Cross multiply
467,286.26x = 644,854.20 × 252,425.66 - Step 4: Simplify right side
467,286.26x = 162,777,743,814.50 - Step 5: Solve for x
x = 162,777,743,814.50/467,286.26 - Step 6: Final answer
x = 348,346.95
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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.