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Finding the Fourth Proportional to 536,540.30, 804,518.85 and 221,029.10

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Solution

The fourth proportional to 536,540.30, 804,518.85 and 221,029.10 is: 331,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,540.30 : 804,518.85 = 221,029.10 : x
  2. Step 2: Convert to fraction form
    536,540.30/804,518.85 = 221,029.10/x
  3. Step 3: Cross multiply
    536,540.30x = 804,518.85 × 221,029.10
  4. Step 4: Simplify right side
    536,540.30x = 177,822,077,348.54
  5. Step 5: Solve for x
    x = 177,822,077,348.54/536,540.30
  6. Step 6: Final answer
    x = 331,423.52

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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.