Home / 261,965.20-361,648.20-203,692.72

Finding the Fourth Proportional to 261,965.20, 361,648.20 and 203,692.72

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Solution

The fourth proportional to 261,965.20, 361,648.20 and 203,692.72 is: 281,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,965.20 : 361,648.20 = 203,692.72 : x
  2. Step 2: Convert to fraction form
    261,965.20/361,648.20 = 203,692.72/x
  3. Step 3: Cross multiply
    261,965.20x = 361,648.20 × 203,692.72
  4. Step 4: Simplify right side
    261,965.20x = 73,665,105,541.10
  5. Step 5: Solve for x
    x = 73,665,105,541.10/261,965.20
  6. Step 6: Final answer
    x = 281,201.88

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Why These Related Problems?

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