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Finding the Fourth Proportional to 226,357.03, 312,354.41 and 130,869.88

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Solution

The fourth proportional to 226,357.03, 312,354.41 and 130,869.88 is: 180,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,357.03 : 312,354.41 = 130,869.88 : x
  2. Step 2: Convert to fraction form
    226,357.03/312,354.41 = 130,869.88/x
  3. Step 3: Cross multiply
    226,357.03x = 312,354.41 × 130,869.88
  4. Step 4: Simplify right side
    226,357.03x = 40,877,782,592.40
  5. Step 5: Solve for x
    x = 40,877,782,592.40/226,357.03
  6. Step 6: Final answer
    x = 180,589.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.