Home / 255,579.75-383,418.83-115,338.38

Finding the Fourth Proportional to 255,579.75, 383,418.83 and 115,338.38

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Solution

The fourth proportional to 255,579.75, 383,418.83 and 115,338.38 is: 173,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,579.75 : 383,418.83 = 115,338.38 : x
  2. Step 2: Convert to fraction form
    255,579.75/383,418.83 = 115,338.38/x
  3. Step 3: Cross multiply
    255,579.75x = 383,418.83 × 115,338.38
  4. Step 4: Simplify right side
    255,579.75x = 44,222,905,084.95
  5. Step 5: Solve for x
    x = 44,222,905,084.95/255,579.75
  6. Step 6: Final answer
    x = 173,029.77

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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.