Finding the Fourth Proportional to 281,586.97, 422,381.85 and 71,225.11
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Solution
The fourth proportional to 281,586.97, 422,381.85 and 71,225.11 is: 106,838.02
Step by Step Solution
- Step 1: Write the proportion equation
281,586.97 : 422,381.85 = 71,225.11 : x - Step 2: Convert to fraction form
281,586.97/422,381.85 = 71,225.11/x - Step 3: Cross multiply
281,586.97x = 422,381.85 × 71,225.11 - Step 4: Simplify right side
281,586.97x = 30,084,193,728.25 - Step 5: Solve for x
x = 30,084,193,728.25/281,586.97 - Step 6: Final answer
x = 106,838.02
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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.