Finding the Fourth Proportional to 431,626.28, 647,439.42 and 182,310.44
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Solution
The fourth proportional to 431,626.28, 647,439.42 and 182,310.44 is: 273,465.66
Step by Step Solution
- Step 1: Write the proportion equation
431,626.28 : 647,439.42 = 182,310.44 : x - Step 2: Convert to fraction form
431,626.28/647,439.42 = 182,310.44/x - Step 3: Cross multiply
431,626.28x = 647,439.42 × 182,310.44 - Step 4: Simplify right side
431,626.28x = 118,034,965,533.55 - Step 5: Solve for x
x = 118,034,965,533.55/431,626.28 - Step 6: Final answer
x = 273,465.66
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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.