Home / 395,480.40-593,285.24-129,163.60

Finding the Fourth Proportional to 395,480.40, 593,285.24 and 129,163.60

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Solution

The fourth proportional to 395,480.40, 593,285.24 and 129,163.60 is: 193,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,480.40 : 593,285.24 = 129,163.60 : x
  2. Step 2: Convert to fraction form
    395,480.40/593,285.24 = 129,163.60/x
  3. Step 3: Cross multiply
    395,480.40x = 593,285.24 × 129,163.60
  4. Step 4: Simplify right side
    395,480.40x = 76,630,857,425.26
  5. Step 5: Solve for x
    x = 76,630,857,425.26/395,480.40
  6. Step 6: Final answer
    x = 193,766.51

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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.