Home / 239,821.83-330,945.43-132,389.55

Finding the Fourth Proportional to 239,821.83, 330,945.43 and 132,389.55

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Solution

The fourth proportional to 239,821.83, 330,945.43 and 132,389.55 is: 182,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,821.83 : 330,945.43 = 132,389.55 : x
  2. Step 2: Convert to fraction form
    239,821.83/330,945.43 = 132,389.55/x
  3. Step 3: Cross multiply
    239,821.83x = 330,945.43 × 132,389.55
  4. Step 4: Simplify right side
    239,821.83x = 43,813,716,552.26
  5. Step 5: Solve for x
    x = 43,813,716,552.26/239,821.83
  6. Step 6: Final answer
    x = 182,692.78

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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.