Finding the Fourth Proportional to 327,739.68, 491,618.88 and 178,051.68
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Solution
The fourth proportional to 327,739.68, 491,618.88 and 178,051.68 is: 267,082.61
Step by Step Solution
- Step 1: Write the proportion equation
327,739.68 : 491,618.88 = 178,051.68 : x - Step 2: Convert to fraction form
327,739.68/491,618.88 = 178,051.68/x - Step 3: Cross multiply
327,739.68x = 491,618.88 × 178,051.68 - Step 4: Simplify right side
327,739.68x = 87,533,567,503.72 - Step 5: Solve for x
x = 87,533,567,503.72/327,739.68 - Step 6: Final answer
x = 267,082.61
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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.