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Finding the Fourth Proportional to 267,941.70, 401,912.55 and 110,283.30

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Solution

The fourth proportional to 267,941.70, 401,912.55 and 110,283.30 is: 165,424.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,941.70 : 401,912.55 = 110,283.30 : x
  2. Step 2: Convert to fraction form
    267,941.70/401,912.55 = 110,283.30/x
  3. Step 3: Cross multiply
    267,941.70x = 401,912.55 × 110,283.30
  4. Step 4: Simplify right side
    267,941.70x = 44,324,242,325.42
  5. Step 5: Solve for x
    x = 44,324,242,325.42/267,941.70
  6. Step 6: Final answer
    x = 165,424.95

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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.