Finding the Fourth Proportional to 209,084.18, 288,542.10 and 113,596.71
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Solution
The fourth proportional to 209,084.18, 288,542.10 and 113,596.71 is: 156,766.69
Step by Step Solution
- Step 1: Write the proportion equation
209,084.18 : 288,542.10 = 113,596.71 : x - Step 2: Convert to fraction form
209,084.18/288,542.10 = 113,596.71/x - Step 3: Cross multiply
209,084.18x = 288,542.10 × 113,596.71 - Step 4: Simplify right side
209,084.18x = 32,777,433,256.49 - Step 5: Solve for x
x = 32,777,433,256.49/209,084.18 - Step 6: Final answer
x = 156,766.69
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1.5x scale
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.