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Finding the Fourth Proportional to 245,297.57, 338,528.46 and 149,822.26

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Solution

The fourth proportional to 245,297.57, 338,528.46 and 149,822.26 is: 206,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,297.57 : 338,528.46 = 149,822.26 : x
  2. Step 2: Convert to fraction form
    245,297.57/338,528.46 = 149,822.26/x
  3. Step 3: Cross multiply
    245,297.57x = 338,528.46 × 149,822.26
  4. Step 4: Simplify right side
    245,297.57x = 50,719,098,667.03
  5. Step 5: Solve for x
    x = 50,719,098,667.03/245,297.57
  6. Step 6: Final answer
    x = 206,765.60

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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.