Finding the Fourth Proportional to 281,585.97, 422,380.35 and 71,224.11
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Solution
The fourth proportional to 281,585.97, 422,380.35 and 71,224.11 is: 106,836.52
Step by Step Solution
- Step 1: Write the proportion equation
281,585.97 : 422,380.35 = 71,224.11 : x - Step 2: Convert to fraction form
281,585.97/422,380.35 = 71,224.11/x - Step 3: Cross multiply
281,585.97x = 422,380.35 × 71,224.11 - Step 4: Simplify right side
281,585.97x = 30,083,664,510.24 - Step 5: Solve for x
x = 30,083,664,510.24/281,585.97 - Step 6: Final answer
x = 106,836.52
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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.