Finding the Fourth Proportional to 209,635.43, 289,294.00 and 114,142.12
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Solution
The fourth proportional to 209,635.43, 289,294.00 and 114,142.12 is: 157,514.55
Step by Step Solution
- Step 1: Write the proportion equation
209,635.43 : 289,294.00 = 114,142.12 : x - Step 2: Convert to fraction form
209,635.43/289,294.00 = 114,142.12/x - Step 3: Cross multiply
209,635.43x = 289,294.00 × 114,142.12 - Step 4: Simplify right side
209,635.43x = 33,020,629,454.69 - Step 5: Solve for x
x = 33,020,629,454.69/209,635.43 - Step 6: Final answer
x = 157,514.55
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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.