Finding the Fourth Proportional to 218,129.28, 327,201.21 and 60,344.52
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Solution
The fourth proportional to 218,129.28, 327,201.21 and 60,344.52 is: 90,518.80
Step by Step Solution
- Step 1: Write the proportion equation
218,129.28 : 327,201.21 = 60,344.52 : x - Step 2: Convert to fraction form
218,129.28/327,201.21 = 60,344.52/x - Step 3: Cross multiply
218,129.28x = 327,201.21 × 60,344.52 - Step 4: Simplify right side
218,129.28x = 19,744,799,960.87 - Step 5: Solve for x
x = 19,744,799,960.87/218,129.28 - Step 6: Final answer
x = 90,518.80
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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.