Home / 226,012.78-338,896.14-68,220.73

Finding the Fourth Proportional to 226,012.78, 338,896.14 and 68,220.73

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Solution

The fourth proportional to 226,012.78, 338,896.14 and 68,220.73 is: 102,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,012.78 : 338,896.14 = 68,220.73 : x
  2. Step 2: Convert to fraction form
    226,012.78/338,896.14 = 68,220.73/x
  3. Step 3: Cross multiply
    226,012.78x = 338,896.14 × 68,220.73
  4. Step 4: Simplify right side
    226,012.78x = 23,119,742,064.98
  5. Step 5: Solve for x
    x = 23,119,742,064.98/226,012.78
  6. Step 6: Final answer
    x = 102,293.96

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1.5x scale

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.