Home / 234,790.41-323,651.25-143,977.98

Finding the Fourth Proportional to 234,790.41, 323,651.25 and 143,977.98

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Solution

The fourth proportional to 234,790.41, 323,651.25 and 143,977.98 is: 198,469.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,790.41 : 323,651.25 = 143,977.98 : x
  2. Step 2: Convert to fraction form
    234,790.41/323,651.25 = 143,977.98/x
  3. Step 3: Cross multiply
    234,790.41x = 323,651.25 × 143,977.98
  4. Step 4: Simplify right side
    234,790.41x = 46,598,653,199.48
  5. Step 5: Solve for x
    x = 46,598,653,199.48/234,790.41
  6. Step 6: Final answer
    x = 198,469.15

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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.