Finding the Fourth Proportional to 192,511.26, 288,816.06 and 80,154.12
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Solution
The fourth proportional to 192,511.26, 288,816.06 and 80,154.12 is: 120,251.65
Step by Step Solution
- Step 1: Write the proportion equation
192,511.26 : 288,816.06 = 80,154.12 : x - Step 2: Convert to fraction form
192,511.26/288,816.06 = 80,154.12/x - Step 3: Cross multiply
192,511.26x = 288,816.06 × 80,154.12 - Step 4: Simplify right side
192,511.26x = 23,149,797,131.17 - Step 5: Solve for x
x = 23,149,797,131.17/192,511.26 - Step 6: Final answer
x = 120,251.65
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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.