Home / 231,391.20-346,395.60-137,848.80

Finding the Fourth Proportional to 231,391.20, 346,395.60 and 137,848.80

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Solution

The fourth proportional to 231,391.20, 346,395.60 and 137,848.80 is: 206,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,391.20 : 346,395.60 = 137,848.80 : x
  2. Step 2: Convert to fraction form
    231,391.20/346,395.60 = 137,848.80/x
  3. Step 3: Cross multiply
    231,391.20x = 346,395.60 × 137,848.80
  4. Step 4: Simplify right side
    231,391.20x = 47,750,217,785.28
  5. Step 5: Solve for x
    x = 47,750,217,785.28/231,391.20
  6. Step 6: Final answer
    x = 206,361.43

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1.5x scale

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.