Finding the Fourth Proportional to 323,866.92, 485,805.12 and 146,250.12
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Solution
The fourth proportional to 323,866.92, 485,805.12 and 146,250.12 is: 219,377.32
Step by Step Solution
- Step 1: Write the proportion equation
323,866.92 : 485,805.12 = 146,250.12 : x - Step 2: Convert to fraction form
323,866.92/485,805.12 = 146,250.12/x - Step 3: Cross multiply
323,866.92x = 485,805.12 × 146,250.12 - Step 4: Simplify right side
323,866.92x = 71,049,057,096.61 - Step 5: Solve for x
x = 71,049,057,096.61/323,866.92 - Step 6: Final answer
x = 219,377.32
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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.