Finding the Fourth Proportional to 80,213.44, 120,438.44 and 44,744.06
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Solution
The fourth proportional to 80,213.44, 120,438.44 and 44,744.06 is: 67,182.07
Step by Step Solution
- Step 1: Write the proportion equation
80,213.44 : 120,438.44 = 44,744.06 : x - Step 2: Convert to fraction form
80,213.44/120,438.44 = 44,744.06/x - Step 3: Cross multiply
80,213.44x = 120,438.44 × 44,744.06 - Step 4: Simplify right side
80,213.44x = 5,388,904,897.53 - Step 5: Solve for x
x = 5,388,904,897.53/80,213.44 - Step 6: Final answer
x = 67,182.07
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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.