Home / 379,249.20-523,365.66-207,169.52

Finding the Fourth Proportional to 379,249.20, 523,365.66 and 207,169.52

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Solution

The fourth proportional to 379,249.20, 523,365.66 and 207,169.52 is: 285,894.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,249.20 : 523,365.66 = 207,169.52 : x
  2. Step 2: Convert to fraction form
    379,249.20/523,365.66 = 207,169.52/x
  3. Step 3: Cross multiply
    379,249.20x = 523,365.66 × 207,169.52
  4. Step 4: Simplify right side
    379,249.20x = 108,425,409,949.86
  5. Step 5: Solve for x
    x = 108,425,409,949.86/379,249.20
  6. Step 6: Final answer
    x = 285,894.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.