Finding the Fourth Proportional to 220,576.88, 304,450.18 and 125,139.44
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Solution
The fourth proportional to 220,576.88, 304,450.18 and 125,139.44 is: 172,723.11
Step by Step Solution
- Step 1: Write the proportion equation
220,576.88 : 304,450.18 = 125,139.44 : x - Step 2: Convert to fraction form
220,576.88/304,450.18 = 125,139.44/x - Step 3: Cross multiply
220,576.88x = 304,450.18 × 125,139.44 - Step 4: Simplify right side
220,576.88x = 38,098,725,033.10 - Step 5: Solve for x
x = 38,098,725,033.10/220,576.88 - Step 6: Final answer
x = 172,723.11
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1.5x scale
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.