Home / 312,027.68-467,617.28-131,963.36

Finding the Fourth Proportional to 312,027.68, 467,617.28 and 131,963.36

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Solution

The fourth proportional to 312,027.68, 467,617.28 and 131,963.36 is: 197,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,027.68 : 467,617.28 = 131,963.36 : x
  2. Step 2: Convert to fraction form
    312,027.68/467,617.28 = 131,963.36/x
  3. Step 3: Cross multiply
    312,027.68x = 467,617.28 × 131,963.36
  4. Step 4: Simplify right side
    312,027.68x = 61,708,347,462.86
  5. Step 5: Solve for x
    x = 61,708,347,462.86/312,027.68
  6. Step 6: Final answer
    x = 197,765.62

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1.5x scale

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.