Finding the Fourth Proportional to 327,751.68, 491,636.88 and 178,063.68
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Solution
The fourth proportional to 327,751.68, 491,636.88 and 178,063.68 is: 267,100.61
Step by Step Solution
- Step 1: Write the proportion equation
327,751.68 : 491,636.88 = 178,063.68 : x - Step 2: Convert to fraction form
327,751.68/491,636.88 = 178,063.68/x - Step 3: Cross multiply
327,751.68x = 491,636.88 × 178,063.68 - Step 4: Simplify right side
327,751.68x = 87,542,672,076.52 - Step 5: Solve for x
x = 87,542,672,076.52/327,751.68 - Step 6: Final answer
x = 267,100.61
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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.