Finding the Fourth Proportional to 173,395.20, 260,157.60 and 68,287.44
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Solution
The fourth proportional to 173,395.20, 260,157.60 and 68,287.44 is: 102,456.68
Step by Step Solution
- Step 1: Write the proportion equation
173,395.20 : 260,157.60 = 68,287.44 : x - Step 2: Convert to fraction form
173,395.20/260,157.60 = 68,287.44/x - Step 3: Cross multiply
173,395.20x = 260,157.60 × 68,287.44 - Step 4: Simplify right side
173,395.20x = 17,765,496,500.54 - Step 5: Solve for x
x = 17,765,496,500.54/173,395.20 - Step 6: Final answer
x = 102,456.68
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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.