Finding the Fourth Proportional to 332,578.20, 498,320.10 and 192,091.80
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Solution
The fourth proportional to 332,578.20, 498,320.10 and 192,091.80 is: 287,821.65
Step by Step Solution
- Step 1: Write the proportion equation
332,578.20 : 498,320.10 = 192,091.80 : x - Step 2: Convert to fraction form
332,578.20/498,320.10 = 192,091.80/x - Step 3: Cross multiply
332,578.20x = 498,320.10 × 192,091.80 - Step 4: Simplify right side
332,578.20x = 95,723,204,985.18 - Step 5: Solve for x
x = 95,723,204,985.18/332,578.20 - Step 6: Final answer
x = 287,821.65
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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.