Finding the Fourth Proportional to 146,040.87, 201,542.52 and 82,378.65
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Solution
The fourth proportional to 146,040.87, 201,542.52 and 82,378.65 is: 113,685.99
Step by Step Solution
- Step 1: Write the proportion equation
146,040.87 : 201,542.52 = 82,378.65 : x - Step 2: Convert to fraction form
146,040.87/201,542.52 = 82,378.65/x - Step 3: Cross multiply
146,040.87x = 201,542.52 × 82,378.65 - Step 4: Simplify right side
146,040.87x = 16,602,800,715.20 - Step 5: Solve for x
x = 16,602,800,715.20/146,040.87 - Step 6: Final answer
x = 113,685.99
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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.