Home / 239,667.06-330,860.39-149,052.21

Finding the Fourth Proportional to 239,667.06, 330,860.39 and 149,052.21

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Solution

The fourth proportional to 239,667.06, 330,860.39 and 149,052.21 is: 205,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,667.06 : 330,860.39 = 149,052.21 : x
  2. Step 2: Convert to fraction form
    239,667.06/330,860.39 = 149,052.21/x
  3. Step 3: Cross multiply
    239,667.06x = 330,860.39 × 149,052.21
  4. Step 4: Simplify right side
    239,667.06x = 49,315,472,330.96
  5. Step 5: Solve for x
    x = 49,315,472,330.96/239,667.06
  6. Step 6: Final answer
    x = 205,766.58

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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.