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Finding the Fourth Proportional to 226,876.20, 340,314.30 and 191,446.80

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Solution

The fourth proportional to 226,876.20, 340,314.30 and 191,446.80 is: 287,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,876.20 : 340,314.30 = 191,446.80 : x
  2. Step 2: Convert to fraction form
    226,876.20/340,314.30 = 191,446.80/x
  3. Step 3: Cross multiply
    226,876.20x = 340,314.30 × 191,446.80
  4. Step 4: Simplify right side
    226,876.20x = 65,152,083,729.24
  5. Step 5: Solve for x
    x = 65,152,083,729.24/226,876.20
  6. Step 6: Final answer
    x = 287,170.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.