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Finding the Fourth Proportional to 267,149.36, 400,871.62 and 148,887.36

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Solution

The fourth proportional to 267,149.36, 400,871.62 and 148,887.36 is: 223,413.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,149.36 : 400,871.62 = 148,887.36 : x
  2. Step 2: Convert to fraction form
    267,149.36/400,871.62 = 148,887.36/x
  3. Step 3: Cross multiply
    267,149.36x = 400,871.62 × 148,887.36
  4. Step 4: Simplify right side
    267,149.36x = 59,684,717,200.72
  5. Step 5: Solve for x
    x = 59,684,717,200.72/267,149.36
  6. Step 6: Final answer
    x = 223,413.29

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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.