Finding the Fourth Proportional to 327,469.64, 491,335.68 and 102,864.80
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Solution
The fourth proportional to 327,469.64, 491,335.68 and 102,864.80 is: 154,338.42
Step by Step Solution
- Step 1: Write the proportion equation
327,469.64 : 491,335.68 = 102,864.80 : x - Step 2: Convert to fraction form
327,469.64/491,335.68 = 102,864.80/x - Step 3: Cross multiply
327,469.64x = 491,335.68 × 102,864.80 - Step 4: Simplify right side
327,469.64x = 50,541,146,456.06 - Step 5: Solve for x
x = 50,541,146,456.06/327,469.64 - Step 6: Final answer
x = 154,338.42
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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.