Home / 226,780.70-340,072.76-68,972.72

Finding the Fourth Proportional to 226,780.70, 340,072.76 and 68,972.72

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Solution

The fourth proportional to 226,780.70, 340,072.76 and 68,972.72 is: 103,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,780.70 : 340,072.76 = 68,972.72 : x
  2. Step 2: Convert to fraction form
    226,780.70/340,072.76 = 68,972.72/x
  3. Step 3: Cross multiply
    226,780.70x = 340,072.76 × 68,972.72
  4. Step 4: Simplify right side
    226,780.70x = 23,455,741,727.18
  5. Step 5: Solve for x
    x = 23,455,741,727.18/226,780.70
  6. Step 6: Final answer
    x = 103,429.18

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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.