Finding the Fourth Proportional to 287,584.38, 396,607.46 and 180,163.80
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Solution
The fourth proportional to 287,584.38, 396,607.46 and 180,163.80 is: 248,463.79
Step by Step Solution
- Step 1: Write the proportion equation
287,584.38 : 396,607.46 = 180,163.80 : x - Step 2: Convert to fraction form
287,584.38/396,607.46 = 180,163.80/x - Step 3: Cross multiply
287,584.38x = 396,607.46 × 180,163.80 - Step 4: Simplify right side
287,584.38x = 71,454,306,201.13 - Step 5: Solve for x
x = 71,454,306,201.13/287,584.38 - Step 6: Final answer
x = 248,463.79
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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.