Finding the Fourth Proportional to 192,063.14, 288,125.76 and 72,129.41
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Solution
The fourth proportional to 192,063.14, 288,125.76 and 72,129.41 is: 108,205.77
Step by Step Solution
- Step 1: Write the proportion equation
192,063.14 : 288,125.76 = 72,129.41 : x - Step 2: Convert to fraction form
192,063.14/288,125.76 = 72,129.41/x - Step 3: Cross multiply
192,063.14x = 288,125.76 × 72,129.41 - Step 4: Simplify right side
192,063.14x = 20,782,339,633.97 - Step 5: Solve for x
x = 20,782,339,633.97/192,063.14 - Step 6: Final answer
x = 108,205.77
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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.