Finding the Fourth Proportional to 404,479.26, 558,174.78 and 220,716.18
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Solution
The fourth proportional to 404,479.26, 558,174.78 and 220,716.18 is: 304,584.73
Step by Step Solution
- Step 1: Write the proportion equation
404,479.26 : 558,174.78 = 220,716.18 : x - Step 2: Convert to fraction form
404,479.26/558,174.78 = 220,716.18/x - Step 3: Cross multiply
404,479.26x = 558,174.78 × 220,716.18 - Step 4: Simplify right side
404,479.26x = 123,198,205,213.94 - Step 5: Solve for x
x = 123,198,205,213.94/404,479.26 - Step 6: Final answer
x = 304,584.73
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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.