Home / 255,468.09-383,194.83-77,949.30

Finding the Fourth Proportional to 255,468.09, 383,194.83 and 77,949.30

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Solution

The fourth proportional to 255,468.09, 383,194.83 and 77,949.30 is: 116,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,468.09 : 383,194.83 = 77,949.30 : x
  2. Step 2: Convert to fraction form
    255,468.09/383,194.83 = 77,949.30/x
  3. Step 3: Cross multiply
    255,468.09x = 383,194.83 × 77,949.30
  4. Step 4: Simplify right side
    255,468.09x = 29,869,770,491.41
  5. Step 5: Solve for x
    x = 29,869,770,491.41/255,468.09
  6. Step 6: Final answer
    x = 116,921.73

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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.