Finding the Fourth Proportional to 206,132.99, 284,475.22 and 115,518.17
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Solution
The fourth proportional to 206,132.99, 284,475.22 and 115,518.17 is: 159,421.63
Step by Step Solution
- Step 1: Write the proportion equation
206,132.99 : 284,475.22 = 115,518.17 : x - Step 2: Convert to fraction form
206,132.99/284,475.22 = 115,518.17/x - Step 3: Cross multiply
206,132.99x = 284,475.22 × 115,518.17 - Step 4: Simplify right side
206,132.99x = 32,862,056,824.75 - Step 5: Solve for x
x = 32,862,056,824.75/206,132.99 - Step 6: Final answer
x = 159,421.63
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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.