Finding the Fourth Proportional to 234,257.62, 351,432.60 and 76,443.70
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Solution
The fourth proportional to 234,257.62, 351,432.60 and 76,443.70 is: 114,680.62
Step by Step Solution
- Step 1: Write the proportion equation
234,257.62 : 351,432.60 = 76,443.70 : x - Step 2: Convert to fraction form
234,257.62/351,432.60 = 76,443.70/x - Step 3: Cross multiply
234,257.62x = 351,432.60 × 76,443.70 - Step 4: Simplify right side
234,257.62x = 26,864,808,244.62 - Step 5: Solve for x
x = 26,864,808,244.62/234,257.62 - Step 6: Final answer
x = 114,680.62
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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.