Home / 396,027.90-593,845.32-126,120.86

Finding the Fourth Proportional to 396,027.90, 593,845.32 and 126,120.86

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Solution

The fourth proportional to 396,027.90, 593,845.32 and 126,120.86 is: 189,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,027.90 : 593,845.32 = 126,120.86 : x
  2. Step 2: Convert to fraction form
    396,027.90/593,845.32 = 126,120.86/x
  3. Step 3: Cross multiply
    396,027.90x = 593,845.32 × 126,120.86
  4. Step 4: Simplify right side
    396,027.90x = 74,896,282,465.38
  5. Step 5: Solve for x
    x = 74,896,282,465.38/396,027.90
  6. Step 6: Final answer
    x = 189,118.70

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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.