Finding the Fourth Proportional to 641,716.80, 962,793.96 and 192,448.68
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Solution
The fourth proportional to 641,716.80, 962,793.96 and 192,448.68 is: 288,738.63
Step by Step Solution
- Step 1: Write the proportion equation
641,716.80 : 962,793.96 = 192,448.68 : x - Step 2: Convert to fraction form
641,716.80/962,793.96 = 192,448.68/x - Step 3: Cross multiply
641,716.80x = 962,793.96 × 192,448.68 - Step 4: Simplify right side
641,716.80x = 185,288,426,713.97 - Step 5: Solve for x
x = 185,288,426,713.97/641,716.80 - Step 6: Final answer
x = 288,738.63
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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.