Finding the Fourth Proportional to 206,131.99, 284,473.84 and 115,517.17
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Solution
The fourth proportional to 206,131.99, 284,473.84 and 115,517.17 is: 159,420.25
Step by Step Solution
- Step 1: Write the proportion equation
206,131.99 : 284,473.84 = 115,517.17 : x - Step 2: Convert to fraction form
206,131.99/284,473.84 = 115,517.17/x - Step 3: Cross multiply
206,131.99x = 284,473.84 × 115,517.17 - Step 4: Simplify right side
206,131.99x = 32,861,613,358.22 - Step 5: Solve for x
x = 32,861,613,358.22/206,131.99 - Step 6: Final answer
x = 159,420.25
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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.