Finding the Fourth Proportional to 356,422.92, 491,863.60 and 195,284.06
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Solution
The fourth proportional to 356,422.92, 491,863.60 and 195,284.06 is: 269,491.99
Step by Step Solution
- Step 1: Write the proportion equation
356,422.92 : 491,863.60 = 195,284.06 : x - Step 2: Convert to fraction form
356,422.92/491,863.60 = 195,284.06/x - Step 3: Cross multiply
356,422.92x = 491,863.60 × 195,284.06 - Step 4: Simplify right side
356,422.92x = 96,053,120,774.22 - Step 5: Solve for x
x = 96,053,120,774.22/356,422.92 - Step 6: Final answer
x = 269,491.99
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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.