Finding the Fourth Proportional to 256,884.52, 385,226.94 and 88,372.84
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Solution
The fourth proportional to 256,884.52, 385,226.94 and 88,372.84 is: 132,524.91
Step by Step Solution
- Step 1: Write the proportion equation
256,884.52 : 385,226.94 = 88,372.84 : x - Step 2: Convert to fraction form
256,884.52/385,226.94 = 88,372.84/x - Step 3: Cross multiply
256,884.52x = 385,226.94 × 88,372.84 - Step 4: Simplify right side
256,884.52x = 34,043,598,732.31 - Step 5: Solve for x
x = 34,043,598,732.31/256,884.52 - Step 6: Final answer
x = 132,524.91
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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.