Home / 274,860.74-412,377.21-82,742.78

Finding the Fourth Proportional to 274,860.74, 412,377.21 and 82,742.78

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Solution

The fourth proportional to 274,860.74, 412,377.21 and 82,742.78 is: 124,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,860.74 : 412,377.21 = 82,742.78 : x
  2. Step 2: Convert to fraction form
    274,860.74/412,377.21 = 82,742.78/x
  3. Step 3: Cross multiply
    274,860.74x = 412,377.21 × 82,742.78
  4. Step 4: Simplify right side
    274,860.74x = 34,121,237,794.99
  5. Step 5: Solve for x
    x = 34,121,237,794.99/274,860.74
  6. Step 6: Final answer
    x = 124,140.09

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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.