Finding the Fourth Proportional to 327,711.39, 491,593.61 and 91,054.09
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Solution
The fourth proportional to 327,711.39, 491,593.61 and 91,054.09 is: 136,588.50
Step by Step Solution
- Step 1: Write the proportion equation
327,711.39 : 491,593.61 = 91,054.09 : x - Step 2: Convert to fraction form
327,711.39/491,593.61 = 91,054.09/x - Step 3: Cross multiply
327,711.39x = 491,593.61 × 91,054.09 - Step 4: Simplify right side
327,711.39x = 44,761,608,808.36 - Step 5: Solve for x
x = 44,761,608,808.36/327,711.39 - Step 6: Final answer
x = 136,588.50
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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.