Finding the Fourth Proportional to 263,277.20, 394,462.20 and 122,747.60
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Solution
The fourth proportional to 263,277.20, 394,462.20 and 122,747.60 is: 183,909.92
Step by Step Solution
- Step 1: Write the proportion equation
263,277.20 : 394,462.20 = 122,747.60 : x - Step 2: Convert to fraction form
263,277.20/394,462.20 = 122,747.60/x - Step 3: Cross multiply
263,277.20x = 394,462.20 × 122,747.60 - Step 4: Simplify right side
263,277.20x = 48,419,288,340.72 - Step 5: Solve for x
x = 48,419,288,340.72/263,277.20 - Step 6: Final answer
x = 183,909.92
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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.