Finding the Fourth Proportional to 288,183.26, 397,680.09 and 160,855.94
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Solution
The fourth proportional to 288,183.26, 397,680.09 and 160,855.94 is: 221,974.05
Step by Step Solution
- Step 1: Write the proportion equation
288,183.26 : 397,680.09 = 160,855.94 : x - Step 2: Convert to fraction form
288,183.26/397,680.09 = 160,855.94/x - Step 3: Cross multiply
288,183.26x = 397,680.09 × 160,855.94 - Step 4: Simplify right side
288,183.26x = 63,969,204,696.23 - Step 5: Solve for x
x = 63,969,204,696.23/288,183.26 - Step 6: Final answer
x = 221,974.05
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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.