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Finding the Fourth Proportional to 226,764.65, 340,223.52 and 100,387.46

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Solution

The fourth proportional to 226,764.65, 340,223.52 and 100,387.46 is: 150,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,764.65 : 340,223.52 = 100,387.46 : x
  2. Step 2: Convert to fraction form
    226,764.65/340,223.52 = 100,387.46/x
  3. Step 3: Cross multiply
    226,764.65x = 340,223.52 × 100,387.46
  4. Step 4: Simplify right side
    226,764.65x = 34,154,175,005.06
  5. Step 5: Solve for x
    x = 34,154,175,005.06/226,764.65
  6. Step 6: Final answer
    x = 150,615.08

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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.