Finding the Fourth Proportional to 324,872.58, 487,354.68 and 100,251.30
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Solution
The fourth proportional to 324,872.58, 487,354.68 and 100,251.30 is: 150,391.09
Step by Step Solution
- Step 1: Write the proportion equation
324,872.58 : 487,354.68 = 100,251.30 : x - Step 2: Convert to fraction form
324,872.58/487,354.68 = 100,251.30/x - Step 3: Cross multiply
324,872.58x = 487,354.68 × 100,251.30 - Step 4: Simplify right side
324,872.58x = 48,857,940,231.08 - Step 5: Solve for x
x = 48,857,940,231.08/324,872.58 - Step 6: Final answer
x = 150,391.09
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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.