Home / 422,238.21-582,543.96-240,819.67

Finding the Fourth Proportional to 422,238.21, 582,543.96 and 240,819.67

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Solution

The fourth proportional to 422,238.21, 582,543.96 and 240,819.67 is: 332,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,238.21 : 582,543.96 = 240,819.67 : x
  2. Step 2: Convert to fraction form
    422,238.21/582,543.96 = 240,819.67/x
  3. Step 3: Cross multiply
    422,238.21x = 582,543.96 × 240,819.67
  4. Step 4: Simplify right side
    422,238.21x = 140,288,044,207.69
  5. Step 5: Solve for x
    x = 140,288,044,207.69/422,238.21
  6. Step 6: Final answer
    x = 332,248.58

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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.