Finding the Fourth Proportional to 187,701.12, 281,644.20 and 87,868.08
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Solution
The fourth proportional to 187,701.12, 281,644.20 and 87,868.08 is: 131,845.43
Step by Step Solution
- Step 1: Write the proportion equation
187,701.12 : 281,644.20 = 87,868.08 : x - Step 2: Convert to fraction form
187,701.12/281,644.20 = 87,868.08/x - Step 3: Cross multiply
187,701.12x = 281,644.20 × 87,868.08 - Step 4: Simplify right side
187,701.12x = 24,747,535,097.14 - Step 5: Solve for x
x = 24,747,535,097.14/187,701.12 - Step 6: Final answer
x = 131,845.43
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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.