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Finding the Fourth Proportional to 536,540.80, 804,519.60 and 221,029.60

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Solution

The fourth proportional to 536,540.80, 804,519.60 and 221,029.60 is: 331,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,540.80 : 804,519.60 = 221,029.60 : x
  2. Step 2: Convert to fraction form
    536,540.80/804,519.60 = 221,029.60/x
  3. Step 3: Cross multiply
    536,540.80x = 804,519.60 × 221,029.60
  4. Step 4: Simplify right side
    536,540.80x = 177,822,645,380.16
  5. Step 5: Solve for x
    x = 177,822,645,380.16/536,540.80
  6. Step 6: Final answer
    x = 331,424.27

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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.