Finding the Fourth Proportional to 187,349.12, 281,023.36 and 87,475.84
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Solution
The fourth proportional to 187,349.12, 281,023.36 and 87,475.84 is: 131,213.61
Step by Step Solution
- Step 1: Write the proportion equation
187,349.12 : 281,023.36 = 87,475.84 : x - Step 2: Convert to fraction form
187,349.12/281,023.36 = 87,475.84/x - Step 3: Cross multiply
187,349.12x = 281,023.36 × 87,475.84 - Step 4: Simplify right side
187,349.12x = 24,582,754,475.62 - Step 5: Solve for x
x = 24,582,754,475.62/187,349.12 - Step 6: Final answer
x = 131,213.61
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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.