Finding the Fourth Proportional to 221,758.76, 332,696.46 and 115,149.80
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Solution
The fourth proportional to 221,758.76, 332,696.46 and 115,149.80 is: 172,754.99
Step by Step Solution
- Step 1: Write the proportion equation
221,758.76 : 332,696.46 = 115,149.80 : x - Step 2: Convert to fraction form
221,758.76/332,696.46 = 115,149.80/x - Step 3: Cross multiply
221,758.76x = 332,696.46 × 115,149.80 - Step 4: Simplify right side
221,758.76x = 38,309,932,093.26 - Step 5: Solve for x
x = 38,309,932,093.26/221,758.76 - Step 6: Final answer
x = 172,754.99
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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.