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Finding the Fourth Proportional to 264,740, 397,110 and 67,748

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Solution

The fourth proportional to 264,740, 397,110 and 67,748 is: 101,622

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,740 : 397,110 = 67,748 : x
  2. Step 2: Convert to fraction form
    264,740/397,110 = 67,748/x
  3. Step 3: Cross multiply
    264,740x = 397,110 × 67,748
  4. Step 4: Simplify right side
    264,740x = 26,903,408,280
  5. Step 5: Solve for x
    x = 26,903,408,280/264,740
  6. Step 6: Final answer
    x = 101,622

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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.