Finding the Fourth Proportional to 83,445.19, 125,163.83 and 27,278.17
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Solution
The fourth proportional to 83,445.19, 125,163.83 and 27,278.17 is: 40,915.96
Step by Step Solution
- Step 1: Write the proportion equation
83,445.19 : 125,163.83 = 27,278.17 : x - Step 2: Convert to fraction form
83,445.19/125,163.83 = 27,278.17/x - Step 3: Cross multiply
83,445.19x = 125,163.83 × 27,278.17 - Step 4: Simplify right side
83,445.19x = 3,414,239,987.88 - Step 5: Solve for x
x = 3,414,239,987.88/83,445.19 - Step 6: Final answer
x = 40,915.96
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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.