Home / 226,906.24-340,315.44-86,631.52

Finding the Fourth Proportional to 226,906.24, 340,315.44 and 86,631.52

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Solution

The fourth proportional to 226,906.24, 340,315.44 and 86,631.52 is: 129,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,906.24 : 340,315.44 = 86,631.52 : x
  2. Step 2: Convert to fraction form
    226,906.24/340,315.44 = 86,631.52/x
  3. Step 3: Cross multiply
    226,906.24x = 340,315.44 × 86,631.52
  4. Step 4: Simplify right side
    226,906.24x = 29,482,043,846.67
  5. Step 5: Solve for x
    x = 29,482,043,846.67/226,906.24
  6. Step 6: Final answer
    x = 129,930.51

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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.