Finding the Fourth Proportional to 378,768.26, 568,206.39 and 125,965.46
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Solution
The fourth proportional to 378,768.26, 568,206.39 and 125,965.46 is: 188,966.15
Step by Step Solution
- Step 1: Write the proportion equation
378,768.26 : 568,206.39 = 125,965.46 : x - Step 2: Convert to fraction form
378,768.26/568,206.39 = 125,965.46/x - Step 3: Cross multiply
378,768.26x = 568,206.39 × 125,965.46 - Step 4: Simplify right side
378,768.26x = 71,574,379,291.29 - Step 5: Solve for x
x = 71,574,379,291.29/378,768.26 - Step 6: Final answer
x = 188,966.15
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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.