Finding the Fourth Proportional to 209,244.26, 288,759.94 and 113,752.96
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Solution
The fourth proportional to 209,244.26, 288,759.94 and 113,752.96 is: 156,980.63
Step by Step Solution
- Step 1: Write the proportion equation
209,244.26 : 288,759.94 = 113,752.96 : x - Step 2: Convert to fraction form
209,244.26/288,759.94 = 113,752.96/x - Step 3: Cross multiply
209,244.26x = 288,759.94 × 113,752.96 - Step 4: Simplify right side
209,244.26x = 32,847,296,898.14 - Step 5: Solve for x
x = 32,847,296,898.14/209,244.26 - Step 6: Final answer
x = 156,980.63
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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.