Home / 226,972.60-340,458.90-138,399.10

Finding the Fourth Proportional to 226,972.60, 340,458.90 and 138,399.10

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Solution

The fourth proportional to 226,972.60, 340,458.90 and 138,399.10 is: 207,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,972.60 : 340,458.90 = 138,399.10 : x
  2. Step 2: Convert to fraction form
    226,972.60/340,458.90 = 138,399.10/x
  3. Step 3: Cross multiply
    226,972.60x = 340,458.90 × 138,399.10
  4. Step 4: Simplify right side
    226,972.60x = 47,119,205,346.99
  5. Step 5: Solve for x
    x = 47,119,205,346.99/226,972.60
  6. Step 6: Final answer
    x = 207,598.65

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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.