Home / 324,816.36-487,308.60-100,171.82

Finding the Fourth Proportional to 324,816.36, 487,308.60 and 100,171.82

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Solution

The fourth proportional to 324,816.36, 487,308.60 and 100,171.82 is: 150,283.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,816.36 : 487,308.60 = 100,171.82 : x
  2. Step 2: Convert to fraction form
    324,816.36/487,308.60 = 100,171.82/x
  3. Step 3: Cross multiply
    324,816.36x = 487,308.60 × 100,171.82
  4. Step 4: Simplify right side
    324,816.36x = 48,814,589,363.65
  5. Step 5: Solve for x
    x = 48,814,589,363.65/324,816.36
  6. Step 6: Final answer
    x = 150,283.65

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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.