Finding the Fourth Proportional to 220,765.99, 331,198.36 and 80,524.61
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Solution
The fourth proportional to 220,765.99, 331,198.36 and 80,524.61 is: 120,804.92
Step by Step Solution
- Step 1: Write the proportion equation
220,765.99 : 331,198.36 = 80,524.61 : x - Step 2: Convert to fraction form
220,765.99/331,198.36 = 80,524.61/x - Step 3: Cross multiply
220,765.99x = 331,198.36 × 80,524.61 - Step 4: Simplify right side
220,765.99x = 26,669,618,771.64 - Step 5: Solve for x
x = 26,669,618,771.64/220,765.99 - Step 6: Final answer
x = 120,804.92
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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.