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Finding the Fourth Proportional to 368,067, 552,230.10 and 181,209.72

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Solution

The fourth proportional to 368,067, 552,230.10 and 181,209.72 is: 271,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,067 : 552,230.10 = 181,209.72 : x
  2. Step 2: Convert to fraction form
    368,067/552,230.10 = 181,209.72/x
  3. Step 3: Cross multiply
    368,067x = 552,230.10 × 181,209.72
  4. Step 4: Simplify right side
    368,067x = 100,069,461,796.57
  5. Step 5: Solve for x
    x = 100,069,461,796.57/368,067
  6. Step 6: Final answer
    x = 271,878.39

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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.