Finding the Fourth Proportional to 146,042.87, 201,545.28 and 82,380.65
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Solution
The fourth proportional to 146,042.87, 201,545.28 and 82,380.65 is: 113,688.75
Step by Step Solution
- Step 1: Write the proportion equation
146,042.87 : 201,545.28 = 82,380.65 : x - Step 2: Convert to fraction form
146,042.87/201,545.28 = 82,380.65/x - Step 3: Cross multiply
146,042.87x = 201,545.28 × 82,380.65 - Step 4: Simplify right side
146,042.87x = 16,603,430,163.11 - Step 5: Solve for x
x = 16,603,430,163.11/146,042.87 - Step 6: Final answer
x = 113,688.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.