Finding the Fourth Proportional to 187,717.10, 281,378.70 and 87,793.06
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Solution
The fourth proportional to 187,717.10, 281,378.70 and 87,793.06 is: 131,597.48
Step by Step Solution
- Step 1: Write the proportion equation
187,717.10 : 281,378.70 = 87,793.06 : x - Step 2: Convert to fraction form
187,717.10/281,378.70 = 87,793.06/x - Step 3: Cross multiply
187,717.10x = 281,378.70 × 87,793.06 - Step 4: Simplify right side
187,717.10x = 24,703,097,091.82 - Step 5: Solve for x
x = 24,703,097,091.82/187,717.10 - Step 6: Final answer
x = 131,597.48
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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.