Home / 281,744.10-422,579.16-139,534.02

Finding the Fourth Proportional to 281,744.10, 422,579.16 and 139,534.02

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Solution

The fourth proportional to 281,744.10, 422,579.16 and 139,534.02 is: 209,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,744.10 : 422,579.16 = 139,534.02 : x
  2. Step 2: Convert to fraction form
    281,744.10/422,579.16 = 139,534.02/x
  3. Step 3: Cross multiply
    281,744.10x = 422,579.16 × 139,534.02
  4. Step 4: Simplify right side
    281,744.10x = 58,964,168,963.02
  5. Step 5: Solve for x
    x = 58,964,168,963.02/281,744.10
  6. Step 6: Final answer
    x = 209,282.71

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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.