Finding the Fourth Proportional to 192,497.20, 288,551.92 and 80,239.55
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Solution
The fourth proportional to 192,497.20, 288,551.92 and 80,239.55 is: 120,278.51
Step by Step Solution
- Step 1: Write the proportion equation
192,497.20 : 288,551.92 = 80,239.55 : x - Step 2: Convert to fraction form
192,497.20/288,551.92 = 80,239.55/x - Step 3: Cross multiply
192,497.20x = 288,551.92 × 80,239.55 - Step 4: Simplify right side
192,497.20x = 23,153,275,811.24 - Step 5: Solve for x
x = 23,153,275,811.24/192,497.20 - Step 6: Final answer
x = 120,278.51
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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.