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Finding the Fourth Proportional to 400,447.60, 552,563.16 and 239,268.60

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Solution

The fourth proportional to 400,447.60, 552,563.16 and 239,268.60 is: 330,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,447.60 : 552,563.16 = 239,268.60 : x
  2. Step 2: Convert to fraction form
    400,447.60/552,563.16 = 239,268.60/x
  3. Step 3: Cross multiply
    400,447.60x = 552,563.16 × 239,268.60
  4. Step 4: Simplify right side
    400,447.60x = 132,211,013,704.78
  5. Step 5: Solve for x
    x = 132,211,013,704.78/400,447.60
  6. Step 6: Final answer
    x = 330,158.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.