Home / 255,963.39-383,646.09-192,579.85

Finding the Fourth Proportional to 255,963.39, 383,646.09 and 192,579.85

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Solution

The fourth proportional to 255,963.39, 383,646.09 and 192,579.85 is: 288,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,963.39 : 383,646.09 = 192,579.85 : x
  2. Step 2: Convert to fraction form
    255,963.39/383,646.09 = 192,579.85/x
  3. Step 3: Cross multiply
    255,963.39x = 383,646.09 × 192,579.85
  4. Step 4: Simplify right side
    255,963.39x = 73,882,504,425.75
  5. Step 5: Solve for x
    x = 73,882,504,425.75/255,963.39
  6. Step 6: Final answer
    x = 288,644.81

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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.