Finding the Fourth Proportional to 209,117.92, 288,584.49 and 113,624.62
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Solution
The fourth proportional to 209,117.92, 288,584.49 and 113,624.62 is: 156,802.93
Step by Step Solution
- Step 1: Write the proportion equation
209,117.92 : 288,584.49 = 113,624.62 : x - Step 2: Convert to fraction form
209,117.92/288,584.49 = 113,624.62/x - Step 3: Cross multiply
209,117.92x = 288,584.49 × 113,624.62 - Step 4: Simplify right side
209,117.92x = 32,790,301,571.22 - Step 5: Solve for x
x = 32,790,301,571.22/209,117.92 - Step 6: Final answer
x = 156,802.93
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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.