Finding the Fourth Proportional to 641,961.99, 962,940.69 and 192,680.91
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Solution
The fourth proportional to 641,961.99, 962,940.69 and 192,680.91 is: 289,020.68
Step by Step Solution
- Step 1: Write the proportion equation
641,961.99 : 962,940.69 = 192,680.91 : x - Step 2: Convert to fraction form
641,961.99/962,940.69 = 192,680.91/x - Step 3: Cross multiply
641,961.99x = 962,940.69 × 192,680.91 - Step 4: Simplify right side
641,961.99x = 185,540,288,425.23 - Step 5: Solve for x
x = 185,540,288,425.23/641,961.99 - Step 6: Final answer
x = 289,020.68
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1.5x scale
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.