Finding the Fourth Proportional to 182,138.40, 273,207.60 and 178,639.20
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Solution
The fourth proportional to 182,138.40, 273,207.60 and 178,639.20 is: 267,958.80
Step by Step Solution
- Step 1: Write the proportion equation
182,138.40 : 273,207.60 = 178,639.20 : x - Step 2: Convert to fraction form
182,138.40/273,207.60 = 178,639.20/x - Step 3: Cross multiply
182,138.40x = 273,207.60 × 178,639.20 - Step 4: Simplify right side
182,138.40x = 48,805,587,097.92 - Step 5: Solve for x
x = 48,805,587,097.92/182,138.40 - Step 6: Final answer
x = 267,958.80
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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.