Home / 234,789.41-323,649.88-143,976.98

Finding the Fourth Proportional to 234,789.41, 323,649.88 and 143,976.98

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Solution

The fourth proportional to 234,789.41, 323,649.88 and 143,976.98 is: 198,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,789.41 : 323,649.88 = 143,976.98 : x
  2. Step 2: Convert to fraction form
    234,789.41/323,649.88 = 143,976.98/x
  3. Step 3: Cross multiply
    234,789.41x = 323,649.88 × 143,976.98
  4. Step 4: Simplify right side
    234,789.41x = 46,598,132,299.76
  5. Step 5: Solve for x
    x = 46,598,132,299.76/234,789.41
  6. Step 6: Final answer
    x = 198,467.78

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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.