Finding the Fourth Proportional to 209,167.97, 288,651.67 and 113,674.68
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Solution
The fourth proportional to 209,167.97, 288,651.67 and 113,674.68 is: 156,870.99
Step by Step Solution
- Step 1: Write the proportion equation
209,167.97 : 288,651.67 = 113,674.68 : x - Step 2: Convert to fraction form
209,167.97/288,651.67 = 113,674.68/x - Step 3: Cross multiply
209,167.97x = 288,651.67 × 113,674.68 - Step 4: Simplify right side
209,167.97x = 32,812,385,934.53 - Step 5: Solve for x
x = 32,812,385,934.53/209,167.97 - Step 6: Final answer
x = 156,870.99
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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.