Home / 268,788.35-402,709.49-252,787.74

Finding the Fourth Proportional to 268,788.35, 402,709.49 and 252,787.74

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Solution

The fourth proportional to 268,788.35, 402,709.49 and 252,787.74 is: 378,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,788.35 : 402,709.49 = 252,787.74 : x
  2. Step 2: Convert to fraction form
    268,788.35/402,709.49 = 252,787.74/x
  3. Step 3: Cross multiply
    268,788.35x = 402,709.49 × 252,787.74
  4. Step 4: Simplify right side
    268,788.35x = 101,800,021,853.65
  5. Step 5: Solve for x
    x = 101,800,021,853.65/268,788.35
  6. Step 6: Final answer
    x = 378,736.73

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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.