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Finding the Fourth Proportional to 383,819.60, 575,815.80 and 225,966.80

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Solution

The fourth proportional to 383,819.60, 575,815.80 and 225,966.80 is: 339,001.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,819.60 : 575,815.80 = 225,966.80 : x
  2. Step 2: Convert to fraction form
    383,819.60/575,815.80 = 225,966.80/x
  3. Step 3: Cross multiply
    383,819.60x = 575,815.80 × 225,966.80
  4. Step 4: Simplify right side
    383,819.60x = 130,115,253,715.44
  5. Step 5: Solve for x
    x = 130,115,253,715.44/383,819.60
  6. Step 6: Final answer
    x = 339,001.07

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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.