Home / 395,568.24-593,286.78-142,800.30

Finding the Fourth Proportional to 395,568.24, 593,286.78 and 142,800.30

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Solution

The fourth proportional to 395,568.24, 593,286.78 and 142,800.30 is: 214,176.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,568.24 : 593,286.78 = 142,800.30 : x
  2. Step 2: Convert to fraction form
    395,568.24/593,286.78 = 142,800.30/x
  3. Step 3: Cross multiply
    395,568.24x = 593,286.78 × 142,800.30
  4. Step 4: Simplify right side
    395,568.24x = 84,721,530,170.03
  5. Step 5: Solve for x
    x = 84,721,530,170.03/395,568.24
  6. Step 6: Final answer
    x = 214,176.78

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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.