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Finding the Fourth Proportional to 226,714.40, 340,071.60 and 68,942.60

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Solution

The fourth proportional to 226,714.40, 340,071.60 and 68,942.60 is: 103,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,714.40 : 340,071.60 = 68,942.60 : x
  2. Step 2: Convert to fraction form
    226,714.40/340,071.60 = 68,942.60/x
  3. Step 3: Cross multiply
    226,714.40x = 340,071.60 × 68,942.60
  4. Step 4: Simplify right side
    226,714.40x = 23,445,420,290.16
  5. Step 5: Solve for x
    x = 23,445,420,290.16/226,714.40
  6. Step 6: Final answer
    x = 103,413.90

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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.