Home / 281,817.38-422,621.04-113,280.90

Finding the Fourth Proportional to 281,817.38, 422,621.04 and 113,280.90

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Solution

The fourth proportional to 281,817.38, 422,621.04 and 113,280.90 is: 169,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,817.38 : 422,621.04 = 113,280.90 : x
  2. Step 2: Convert to fraction form
    281,817.38/422,621.04 = 113,280.90/x
  3. Step 3: Cross multiply
    281,817.38x = 422,621.04 × 113,280.90
  4. Step 4: Simplify right side
    281,817.38x = 47,874,891,770.14
  5. Step 5: Solve for x
    x = 47,874,891,770.14/281,817.38
  6. Step 6: Final answer
    x = 169,879.13

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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.