Finding the Fourth Proportional to 209,118.92, 288,585.87 and 113,625.62
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Solution
The fourth proportional to 209,118.92, 288,585.87 and 113,625.62 is: 156,804.31
Step by Step Solution
- Step 1: Write the proportion equation
209,118.92 : 288,585.87 = 113,625.62 : x - Step 2: Convert to fraction form
209,118.92/288,585.87 = 113,625.62/x - Step 3: Cross multiply
209,118.92x = 288,585.87 × 113,625.62 - Step 4: Simplify right side
209,118.92x = 32,790,748,401.99 - Step 5: Solve for x
x = 32,790,748,401.99/209,118.92 - Step 6: Final answer
x = 156,804.31
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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.