Finding the Fourth Proportional to 422,179.26, 582,587.28 and 231,193.68
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Solution
The fourth proportional to 422,179.26, 582,587.28 and 231,193.68 is: 319,036.27
Step by Step Solution
- Step 1: Write the proportion equation
422,179.26 : 582,587.28 = 231,193.68 : x - Step 2: Convert to fraction form
422,179.26/582,587.28 = 231,193.68/x - Step 3: Cross multiply
422,179.26x = 582,587.28 × 231,193.68 - Step 4: Simplify right side
422,179.26x = 134,690,497,184.39 - Step 5: Solve for x
x = 134,690,497,184.39/422,179.26 - Step 6: Final answer
x = 319,036.27
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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.