Finding the Fourth Proportional to 187,609.96, 281,479.98 and 82,414.28
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Solution
The fourth proportional to 187,609.96, 281,479.98 and 82,414.28 is: 123,649.99
Step by Step Solution
- Step 1: Write the proportion equation
187,609.96 : 281,479.98 = 82,414.28 : x - Step 2: Convert to fraction form
187,609.96/281,479.98 = 82,414.28/x - Step 3: Cross multiply
187,609.96x = 281,479.98 × 82,414.28 - Step 4: Simplify right side
187,609.96x = 23,197,969,886.11 - Step 5: Solve for x
x = 23,197,969,886.11/187,609.96 - Step 6: Final answer
x = 123,649.99
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1.5x scale
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.