Finding the Fourth Proportional to 281,695.92, 422,543.76 and 68,462.70
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Solution
The fourth proportional to 281,695.92, 422,543.76 and 68,462.70 is: 102,694.02
Step by Step Solution
- Step 1: Write the proportion equation
281,695.92 : 422,543.76 = 68,462.70 : x - Step 2: Convert to fraction form
281,695.92/422,543.76 = 68,462.70/x - Step 3: Cross multiply
281,695.92x = 422,543.76 × 68,462.70 - Step 4: Simplify right side
281,695.92x = 28,928,486,677.75 - Step 5: Solve for x
x = 28,928,486,677.75/281,695.92 - Step 6: Final answer
x = 102,694.02
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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.