Home / 449,150.20-673,367.58-259,394.68

Finding the Fourth Proportional to 449,150.20, 673,367.58 and 259,394.68

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Solution

The fourth proportional to 449,150.20, 673,367.58 and 259,394.68 is: 388,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,150.20 : 673,367.58 = 259,394.68 : x
  2. Step 2: Convert to fraction form
    449,150.20/673,367.58 = 259,394.68/x
  3. Step 3: Cross multiply
    449,150.20x = 673,367.58 × 259,394.68
  4. Step 4: Simplify right side
    449,150.20x = 174,667,967,936.47
  5. Step 5: Solve for x
    x = 174,667,967,936.47/449,150.20
  6. Step 6: Final answer
    x = 388,885.43

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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.