Finding the Fourth Proportional to 220,768.99, 331,202.87 and 80,527.62
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Solution
The fourth proportional to 220,768.99, 331,202.87 and 80,527.62 is: 120,809.44
Step by Step Solution
- Step 1: Write the proportion equation
220,768.99 : 331,202.87 = 80,527.62 : x - Step 2: Convert to fraction form
220,768.99/331,202.87 = 80,527.62/x - Step 3: Cross multiply
220,768.99x = 331,202.87 × 80,527.62 - Step 4: Simplify right side
220,768.99x = 26,670,978,858.27 - Step 5: Solve for x
x = 26,670,978,858.27/220,768.99 - Step 6: Final answer
x = 120,809.44
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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.