Finding the Fourth Proportional to 146,242.88, 201,819.84 and 89,711.36
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Solution
The fourth proportional to 146,242.88, 201,819.84 and 89,711.36 is: 123,804.54
Step by Step Solution
- Step 1: Write the proportion equation
146,242.88 : 201,819.84 = 89,711.36 : x - Step 2: Convert to fraction form
146,242.88/201,819.84 = 89,711.36/x - Step 3: Cross multiply
146,242.88x = 201,819.84 × 89,711.36 - Step 4: Simplify right side
146,242.88x = 18,105,532,321.38 - Step 5: Solve for x
x = 18,105,532,321.38/146,242.88 - Step 6: Final answer
x = 123,804.54
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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.