Finding the Fourth Proportional to 192,751.44, 288,971.28 and 80,517.62
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Solution
The fourth proportional to 192,751.44, 288,971.28 and 80,517.62 is: 120,711.31
Step by Step Solution
- Step 1: Write the proportion equation
192,751.44 : 288,971.28 = 80,517.62 : x - Step 2: Convert to fraction form
192,751.44/288,971.28 = 80,517.62/x - Step 3: Cross multiply
192,751.44x = 288,971.28 × 80,517.62 - Step 4: Simplify right side
192,751.44x = 23,267,278,269.10 - Step 5: Solve for x
x = 23,267,278,269.10/192,751.44 - Step 6: Final answer
x = 120,711.31
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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.