Finding the Fourth Proportional to 202,850.90, 304,211.55 and 84,493.70
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Solution
The fourth proportional to 202,850.90, 304,211.55 and 84,493.70 is: 126,713.56
Step by Step Solution
- Step 1: Write the proportion equation
202,850.90 : 304,211.55 = 84,493.70 : x - Step 2: Convert to fraction form
202,850.90/304,211.55 = 84,493.70/x - Step 3: Cross multiply
202,850.90x = 304,211.55 × 84,493.70 - Step 4: Simplify right side
202,850.90x = 25,703,959,442.24 - Step 5: Solve for x
x = 25,703,959,442.24/202,850.90 - Step 6: Final answer
x = 126,713.56
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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.