Finding the Fourth Proportional to 327,699.62, 491,740.49 and 138,148.38
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Solution
The fourth proportional to 327,699.62, 491,740.49 and 138,148.38 is: 207,303.12
Step by Step Solution
- Step 1: Write the proportion equation
327,699.62 : 491,740.49 = 138,148.38 : x - Step 2: Convert to fraction form
327,699.62/491,740.49 = 138,148.38/x - Step 3: Cross multiply
327,699.62x = 491,740.49 × 138,148.38 - Step 4: Simplify right side
327,699.62x = 67,933,151,383.16 - Step 5: Solve for x
x = 67,933,151,383.16/327,699.62 - Step 6: Final answer
x = 207,303.12
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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.