Finding the Fourth Proportional to 146,819.51, 202,625.12 and 82,299.70
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Solution
The fourth proportional to 146,819.51, 202,625.12 and 82,299.70 is: 113,581.55
Step by Step Solution
- Step 1: Write the proportion equation
146,819.51 : 202,625.12 = 82,299.70 : x - Step 2: Convert to fraction form
146,819.51/202,625.12 = 82,299.70/x - Step 3: Cross multiply
146,819.51x = 202,625.12 × 82,299.70 - Step 4: Simplify right side
146,819.51x = 16,675,986,287.65 - Step 5: Solve for x
x = 16,675,986,287.65/146,819.51 - Step 6: Final answer
x = 113,581.55
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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.