Finding the Fourth Proportional to 422,183.26, 582,592.80 and 231,197.68
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Solution
The fourth proportional to 422,183.26, 582,592.80 and 231,197.68 is: 319,041.79
Step by Step Solution
- Step 1: Write the proportion equation
422,183.26 : 582,592.80 = 231,197.68 : x - Step 2: Convert to fraction form
422,183.26/582,592.80 = 231,197.68/x - Step 3: Cross multiply
422,183.26x = 582,592.80 × 231,197.68 - Step 4: Simplify right side
422,183.26x = 134,694,103,744.70 - Step 5: Solve for x
x = 134,694,103,744.70/422,183.26 - Step 6: Final answer
x = 319,041.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.