Home / 332,780.86-499,107.34-143,273.67

Finding the Fourth Proportional to 332,780.86, 499,107.34 and 143,273.67

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Solution

The fourth proportional to 332,780.86, 499,107.34 and 143,273.67 is: 214,882.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,780.86 : 499,107.34 = 143,273.67 : x
  2. Step 2: Convert to fraction form
    332,780.86/499,107.34 = 143,273.67/x
  3. Step 3: Cross multiply
    332,780.86x = 499,107.34 × 143,273.67
  4. Step 4: Simplify right side
    332,780.86x = 71,508,940,325.74
  5. Step 5: Solve for x
    x = 71,508,940,325.74/332,780.86
  6. Step 6: Final answer
    x = 214,882.97

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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.