Home / 384,183.24-576,342.50-131,404.36

Finding the Fourth Proportional to 384,183.24, 576,342.50 and 131,404.36

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Solution

The fourth proportional to 384,183.24, 576,342.50 and 131,404.36 is: 197,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,183.24 : 576,342.50 = 131,404.36 : x
  2. Step 2: Convert to fraction form
    384,183.24/576,342.50 = 131,404.36/x
  3. Step 3: Cross multiply
    384,183.24x = 576,342.50 × 131,404.36
  4. Step 4: Simplify right side
    384,183.24x = 75,733,917,353.30
  5. Step 5: Solve for x
    x = 75,733,917,353.30/384,183.24
  6. Step 6: Final answer
    x = 197,129.68

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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.