Finding the Fourth Proportional to 512,234.80, 768,121.80 and 196,586.80
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Solution
The fourth proportional to 512,234.80, 768,121.80 and 196,586.80 is: 294,791.78
Step by Step Solution
- Step 1: Write the proportion equation
512,234.80 : 768,121.80 = 196,586.80 : x - Step 2: Convert to fraction form
512,234.80/768,121.80 = 196,586.80/x - Step 3: Cross multiply
512,234.80x = 768,121.80 × 196,586.80 - Step 4: Simplify right side
512,234.80x = 151,002,606,672.24 - Step 5: Solve for x
x = 151,002,606,672.24/512,234.80 - Step 6: Final answer
x = 294,791.78
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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.