Home / 324,944.45-487,656.11-154,166.79

Finding the Fourth Proportional to 324,944.45, 487,656.11 and 154,166.79

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Solution

The fourth proportional to 324,944.45, 487,656.11 and 154,166.79 is: 231,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,944.45 : 487,656.11 = 154,166.79 : x
  2. Step 2: Convert to fraction form
    324,944.45/487,656.11 = 154,166.79/x
  3. Step 3: Cross multiply
    324,944.45x = 487,656.11 × 154,166.79
  4. Step 4: Simplify right side
    324,944.45x = 75,180,376,331.75
  5. Step 5: Solve for x
    x = 75,180,376,331.75/324,944.45
  6. Step 6: Final answer
    x = 231,363.78

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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.