Finding the Fourth Proportional to 189,589.26, 284,442.60 and 113,772.48
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Solution
The fourth proportional to 189,589.26, 284,442.60 and 113,772.48 is: 170,693.95
Step by Step Solution
- Step 1: Write the proportion equation
189,589.26 : 284,442.60 = 113,772.48 : x - Step 2: Convert to fraction form
189,589.26/284,442.60 = 113,772.48/x - Step 3: Cross multiply
189,589.26x = 284,442.60 × 113,772.48 - Step 4: Simplify right side
189,589.26x = 32,361,740,019.65 - Step 5: Solve for x
x = 32,361,740,019.65/189,589.26 - Step 6: Final answer
x = 170,693.95
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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.