Finding the Fourth Proportional to 220,768.56, 331,202.21 and 80,527.19
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Solution
The fourth proportional to 220,768.56, 331,202.21 and 80,527.19 is: 120,808.78
Step by Step Solution
- Step 1: Write the proportion equation
220,768.56 : 331,202.21 = 80,527.19 : x - Step 2: Convert to fraction form
220,768.56/331,202.21 = 80,527.19/x - Step 3: Cross multiply
220,768.56x = 331,202.21 × 80,527.19 - Step 4: Simplify right side
220,768.56x = 26,670,781,234.44 - Step 5: Solve for x
x = 26,670,781,234.44/220,768.56 - Step 6: Final answer
x = 120,808.78
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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.