Home / 449,250.93-673,973.09-129,400.59

Finding the Fourth Proportional to 449,250.93, 673,973.09 and 129,400.59

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Solution

The fourth proportional to 449,250.93, 673,973.09 and 129,400.59 is: 194,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,250.93 : 673,973.09 = 129,400.59 : x
  2. Step 2: Convert to fraction form
    449,250.93/673,973.09 = 129,400.59/x
  3. Step 3: Cross multiply
    449,250.93x = 673,973.09 × 129,400.59
  4. Step 4: Simplify right side
    449,250.93x = 87,212,514,843.12
  5. Step 5: Solve for x
    x = 87,212,514,843.12/449,250.93
  6. Step 6: Final answer
    x = 194,128.74

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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.