Finding the Fourth Proportional to 216,694.17, 324,819.68 and 74,496.78
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Solution
The fourth proportional to 216,694.17, 324,819.68 and 74,496.78 is: 111,668.99
Step by Step Solution
- Step 1: Write the proportion equation
216,694.17 : 324,819.68 = 74,496.78 : x - Step 2: Convert to fraction form
216,694.17/324,819.68 = 74,496.78/x - Step 3: Cross multiply
216,694.17x = 324,819.68 × 74,496.78 - Step 4: Simplify right side
216,694.17x = 24,198,019,868.15 - Step 5: Solve for x
x = 24,198,019,868.15/216,694.17 - Step 6: Final answer
x = 111,668.99
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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.