Home / 324,860.22-487,373.38-125,127

Finding the Fourth Proportional to 324,860.22, 487,373.38 and 125,127

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Solution

The fourth proportional to 324,860.22, 487,373.38 and 125,127 is: 187,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,860.22 : 487,373.38 = 125,127 : x
  2. Step 2: Convert to fraction form
    324,860.22/487,373.38 = 125,127/x
  3. Step 3: Cross multiply
    324,860.22x = 487,373.38 × 125,127
  4. Step 4: Simplify right side
    324,860.22x = 60,983,568,919.26
  5. Step 5: Solve for x
    x = 60,983,568,919.26/324,860.22
  6. Step 6: Final answer
    x = 187,722.49

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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.