Finding the Fourth Proportional to 283,639.22, 391,422.12 and 170,461.97
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Solution
The fourth proportional to 283,639.22, 391,422.12 and 170,461.97 is: 235,237.52
Step by Step Solution
- Step 1: Write the proportion equation
283,639.22 : 391,422.12 = 170,461.97 : x - Step 2: Convert to fraction form
283,639.22/391,422.12 = 170,461.97/x - Step 3: Cross multiply
283,639.22x = 391,422.12 × 170,461.97 - Step 4: Simplify right side
283,639.22x = 66,722,585,507.12 - Step 5: Solve for x
x = 66,722,585,507.12/283,639.22 - Step 6: Final answer
x = 235,237.52
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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.