Finding the Fourth Proportional to 80,449.68, 120,694.04 and 24,286.44
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Solution
The fourth proportional to 80,449.68, 120,694.04 and 24,286.44 is: 36,435.55
Step by Step Solution
- Step 1: Write the proportion equation
80,449.68 : 120,694.04 = 24,286.44 : x - Step 2: Convert to fraction form
80,449.68/120,694.04 = 24,286.44/x - Step 3: Cross multiply
80,449.68x = 120,694.04 × 24,286.44 - Step 4: Simplify right side
80,449.68x = 2,931,228,439.39 - Step 5: Solve for x
x = 2,931,228,439.39/80,449.68 - Step 6: Final answer
x = 36,435.55
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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.