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Finding the Fourth Proportional to 267,848.44, 401,796.32 and 99,370.60

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Solution

The fourth proportional to 267,848.44, 401,796.32 and 99,370.60 is: 149,064.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,848.44 : 401,796.32 = 99,370.60 : x
  2. Step 2: Convert to fraction form
    267,848.44/401,796.32 = 99,370.60/x
  3. Step 3: Cross multiply
    267,848.44x = 401,796.32 × 99,370.60
  4. Step 4: Simplify right side
    267,848.44x = 39,926,741,396.19
  5. Step 5: Solve for x
    x = 39,926,741,396.19/267,848.44
  6. Step 6: Final answer
    x = 149,064.68

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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.