Finding the Fourth Proportional to 115,491.22, 173,242.97 and 36,611.62
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Solution
The fourth proportional to 115,491.22, 173,242.97 and 36,611.62 is: 54,919.38
Step by Step Solution
- Step 1: Write the proportion equation
115,491.22 : 173,242.97 = 36,611.62 : x - Step 2: Convert to fraction form
115,491.22/173,242.97 = 36,611.62/x - Step 3: Cross multiply
115,491.22x = 173,242.97 × 36,611.62 - Step 4: Simplify right side
115,491.22x = 6,342,705,785.31 - Step 5: Solve for x
x = 6,342,705,785.31/115,491.22 - Step 6: Final answer
x = 54,919.38
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1.5x scale
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.