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Finding the Fourth Proportional to 251,999.40, 377,999.10 and 227,067.60

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Solution

The fourth proportional to 251,999.40, 377,999.10 and 227,067.60 is: 340,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,999.40 : 377,999.10 = 227,067.60 : x
  2. Step 2: Convert to fraction form
    251,999.40/377,999.10 = 227,067.60/x
  3. Step 3: Cross multiply
    251,999.40x = 377,999.10 × 227,067.60
  4. Step 4: Simplify right side
    251,999.40x = 85,831,348,439.16
  5. Step 5: Solve for x
    x = 85,831,348,439.16/251,999.40
  6. Step 6: Final answer
    x = 340,601.40

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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.