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Finding the Fourth Proportional to 449,004.52, 673,149.17 and 259,249.65

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Solution

The fourth proportional to 449,004.52, 673,149.17 and 259,249.65 is: 388,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,004.52 : 673,149.17 = 259,249.65 : x
  2. Step 2: Convert to fraction form
    449,004.52/673,149.17 = 259,249.65/x
  3. Step 3: Cross multiply
    449,004.52x = 673,149.17 × 259,249.65
  4. Step 4: Simplify right side
    449,004.52x = 174,513,683,385.83
  5. Step 5: Solve for x
    x = 174,513,683,385.83/449,004.52
  6. Step 6: Final answer
    x = 388,667.98

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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.