Finding the Fourth Proportional to 199,891.26, 299,836.62 and 52,147.26
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Solution
The fourth proportional to 199,891.26, 299,836.62 and 52,147.26 is: 78,220.82
Step by Step Solution
- Step 1: Write the proportion equation
199,891.26 : 299,836.62 = 52,147.26 : x - Step 2: Convert to fraction form
199,891.26/299,836.62 = 52,147.26/x - Step 3: Cross multiply
199,891.26x = 299,836.62 × 52,147.26 - Step 4: Simplify right side
199,891.26x = 15,635,658,180.66 - Step 5: Solve for x
x = 15,635,658,180.66/199,891.26 - Step 6: Final answer
x = 78,220.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.