Finding the Fourth Proportional to 281,720.97, 422,596.85 and 71,360.73
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Solution
The fourth proportional to 281,720.97, 422,596.85 and 71,360.73 is: 107,044.99
Step by Step Solution
- Step 1: Write the proportion equation
281,720.97 : 422,596.85 = 71,360.73 : x - Step 2: Convert to fraction form
281,720.97/422,596.85 = 71,360.73/x - Step 3: Cross multiply
281,720.97x = 422,596.85 × 71,360.73 - Step 4: Simplify right side
281,720.97x = 30,156,819,354.90 - Step 5: Solve for x
x = 30,156,819,354.90/281,720.97 - Step 6: Final answer
x = 107,044.99
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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.