Finding the Fourth Proportional to 138,454.00, 207,680.98 and 33,272.97
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Solution
The fourth proportional to 138,454.00, 207,680.98 and 33,272.97 is: 49,909.45
Step by Step Solution
- Step 1: Write the proportion equation
138,454.00 : 207,680.98 = 33,272.97 : x - Step 2: Convert to fraction form
138,454.00/207,680.98 = 33,272.97/x - Step 3: Cross multiply
138,454.00x = 207,680.98 × 33,272.97 - Step 4: Simplify right side
138,454.00x = 6,910,162,801.61 - Step 5: Solve for x
x = 6,910,162,801.61/138,454.00 - Step 6: Final answer
x = 49,909.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.