Finding the Fourth Proportional to 378,766.73, 567,750.67 and 125,979.71
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Solution
The fourth proportional to 378,766.73, 567,750.67 and 125,979.71 is: 188,836.70
Step by Step Solution
- Step 1: Write the proportion equation
378,766.73 : 567,750.67 = 125,979.71 : x - Step 2: Convert to fraction form
378,766.73/567,750.67 = 125,979.71/x - Step 3: Cross multiply
378,766.73x = 567,750.67 × 125,979.71 - Step 4: Simplify right side
378,766.73x = 71,525,061,605.20 - Step 5: Solve for x
x = 71,525,061,605.20/378,766.73 - Step 6: Final answer
x = 188,836.70
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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.