Home / 239,297.28-330,227.84-143,801.60

Finding the Fourth Proportional to 239,297.28, 330,227.84 and 143,801.60

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Solution

The fourth proportional to 239,297.28, 330,227.84 and 143,801.60 is: 198,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,297.28 : 330,227.84 = 143,801.60 : x
  2. Step 2: Convert to fraction form
    239,297.28/330,227.84 = 143,801.60/x
  3. Step 3: Cross multiply
    239,297.28x = 330,227.84 × 143,801.60
  4. Step 4: Simplify right side
    239,297.28x = 47,487,291,756.54
  5. Step 5: Solve for x
    x = 47,487,291,756.54/239,297.28
  6. Step 6: Final answer
    x = 198,444.76

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1.5x scale

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.