Finding the Fourth Proportional to 256,949.56, 385,432.80 and 88,468.12
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Solution
The fourth proportional to 256,949.56, 385,432.80 and 88,468.12 is: 132,705.09
Step by Step Solution
- Step 1: Write the proportion equation
256,949.56 : 385,432.80 = 88,468.12 : x - Step 2: Convert to fraction form
256,949.56/385,432.80 = 88,468.12/x - Step 3: Cross multiply
256,949.56x = 385,432.80 × 88,468.12 - Step 4: Simplify right side
256,949.56x = 34,098,515,202.34 - Step 5: Solve for x
x = 34,098,515,202.34/256,949.56 - Step 6: Final answer
x = 132,705.09
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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.