Home / 449,119.22-673,789.32-133,576.13

Finding the Fourth Proportional to 449,119.22, 673,789.32 and 133,576.13

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Solution

The fourth proportional to 449,119.22, 673,789.32 and 133,576.13 is: 200,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,119.22 : 673,789.32 = 133,576.13 : x
  2. Step 2: Convert to fraction form
    449,119.22/673,789.32 = 133,576.13/x
  3. Step 3: Cross multiply
    449,119.22x = 673,789.32 × 133,576.13
  4. Step 4: Simplify right side
    449,119.22x = 90,002,169,800.93
  5. Step 5: Solve for x
    x = 90,002,169,800.93/449,119.22
  6. Step 6: Final answer
    x = 200,397.06

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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.