Home / 255,660.22-383,575.38-113,485.78

Finding the Fourth Proportional to 255,660.22, 383,575.38 and 113,485.78

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Solution

The fourth proportional to 255,660.22, 383,575.38 and 113,485.78 is: 170,266.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,660.22 : 383,575.38 = 113,485.78 : x
  2. Step 2: Convert to fraction form
    255,660.22/383,575.38 = 113,485.78/x
  3. Step 3: Cross multiply
    255,660.22x = 383,575.38 × 113,485.78
  4. Step 4: Simplify right side
    255,660.22x = 43,530,351,188.10
  5. Step 5: Solve for x
    x = 43,530,351,188.10/255,660.22
  6. Step 6: Final answer
    x = 170,266.42

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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.