Finding the Fourth Proportional to 154,900.91, 232,375.68 and 66,154.88
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Solution
The fourth proportional to 154,900.91, 232,375.68 and 66,154.88 is: 99,242.70
Step by Step Solution
- Step 1: Write the proportion equation
154,900.91 : 232,375.68 = 66,154.88 : x - Step 2: Convert to fraction form
154,900.91/232,375.68 = 66,154.88/x - Step 3: Cross multiply
154,900.91x = 232,375.68 × 66,154.88 - Step 4: Simplify right side
154,900.91x = 15,372,784,063.44 - Step 5: Solve for x
x = 15,372,784,063.44/154,900.91 - Step 6: Final answer
x = 99,242.70
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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.