Finding the Fourth Proportional to 115,621.26, 173,431.92 and 32,515.26
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Solution
The fourth proportional to 115,621.26, 173,431.92 and 32,515.26 is: 48,772.90
Step by Step Solution
- Step 1: Write the proportion equation
115,621.26 : 173,431.92 = 32,515.26 : x - Step 2: Convert to fraction form
115,621.26/173,431.92 = 32,515.26/x - Step 3: Cross multiply
115,621.26x = 173,431.92 × 32,515.26 - Step 4: Simplify right side
115,621.26x = 5,639,183,971.10 - Step 5: Solve for x
x = 5,639,183,971.10/115,621.26 - Step 6: Final answer
x = 48,772.90
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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.