Finding the Fourth Proportional to 206,287.05, 284,675.75 and 115,642.99
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Solution
The fourth proportional to 206,287.05, 284,675.75 and 115,642.99 is: 159,587.11
Step by Step Solution
- Step 1: Write the proportion equation
206,287.05 : 284,675.75 = 115,642.99 : x - Step 2: Convert to fraction form
206,287.05/284,675.75 = 115,642.99/x - Step 3: Cross multiply
206,287.05x = 284,675.75 × 115,642.99 - Step 4: Simplify right side
206,287.05x = 32,920,755,121.78 - Step 5: Solve for x
x = 32,920,755,121.78/206,287.05 - Step 6: Final answer
x = 159,587.11
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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.