Home / 449,201.86-673,899.68-129,351.58

Finding the Fourth Proportional to 449,201.86, 673,899.68 and 129,351.58

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Solution

The fourth proportional to 449,201.86, 673,899.68 and 129,351.58 is: 194,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,201.86 : 673,899.68 = 129,351.58 : x
  2. Step 2: Convert to fraction form
    449,201.86/673,899.68 = 129,351.58/x
  3. Step 3: Cross multiply
    449,201.86x = 673,899.68 × 129,351.58
  4. Step 4: Simplify right side
    449,201.86x = 87,169,988,369.49
  5. Step 5: Solve for x
    x = 87,169,988,369.49/449,201.86
  6. Step 6: Final answer
    x = 194,055.27

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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.