Home / 324,819.22-487,312.89-100,174.69

Finding the Fourth Proportional to 324,819.22, 487,312.89 and 100,174.69

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Solution

The fourth proportional to 324,819.22, 487,312.89 and 100,174.69 is: 150,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,819.22 : 487,312.89 = 100,174.69 : x
  2. Step 2: Convert to fraction form
    324,819.22/487,312.89 = 100,174.69/x
  3. Step 3: Cross multiply
    324,819.22x = 487,312.89 × 100,174.69
  4. Step 4: Simplify right side
    324,819.22x = 48,816,417,688.75
  5. Step 5: Solve for x
    x = 48,816,417,688.75/324,819.22
  6. Step 6: Final answer
    x = 150,287.96

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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.