Home / 226,742.40-340,149.60-76,996.80

Finding the Fourth Proportional to 226,742.40, 340,149.60 and 76,996.80

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Solution

The fourth proportional to 226,742.40, 340,149.60 and 76,996.80 is: 115,507.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,742.40 : 340,149.60 = 76,996.80 : x
  2. Step 2: Convert to fraction form
    226,742.40/340,149.60 = 76,996.80/x
  3. Step 3: Cross multiply
    226,742.40x = 340,149.60 × 76,996.80
  4. Step 4: Simplify right side
    226,742.40x = 26,190,430,721.28
  5. Step 5: Solve for x
    x = 26,190,430,721.28/226,742.40
  6. Step 6: Final answer
    x = 115,507.42

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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.