Finding the Fourth Proportional to 206,936.26, 285,573.91 and 125,266.39
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Solution
The fourth proportional to 206,936.26, 285,573.91 and 125,266.39 is: 172,868.75
Step by Step Solution
- Step 1: Write the proportion equation
206,936.26 : 285,573.91 = 125,266.39 : x - Step 2: Convert to fraction form
206,936.26/285,573.91 = 125,266.39/x - Step 3: Cross multiply
206,936.26x = 285,573.91 × 125,266.39 - Step 4: Simplify right side
206,936.26x = 35,772,811,356.02 - Step 5: Solve for x
x = 35,772,811,356.02/206,936.26 - Step 6: Final answer
x = 172,868.75
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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.