Finding the Fourth Proportional to 192,600.99, 288,744.90 and 80,364.81
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Solution
The fourth proportional to 192,600.99, 288,744.90 and 80,364.81 is: 120,481.88
Step by Step Solution
- Step 1: Write the proportion equation
192,600.99 : 288,744.90 = 80,364.81 : x - Step 2: Convert to fraction form
192,600.99/288,744.90 = 80,364.81/x - Step 3: Cross multiply
192,600.99x = 288,744.90 × 80,364.81 - Step 4: Simplify right side
192,600.99x = 23,204,929,026.97 - Step 5: Solve for x
x = 23,204,929,026.97/192,600.99 - Step 6: Final answer
x = 120,481.88
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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.