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Finding the Fourth Proportional to 227,959.20, 341,938.80 and 205,408.80

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Solution

The fourth proportional to 227,959.20, 341,938.80 and 205,408.80 is: 308,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,959.20 : 341,938.80 = 205,408.80 : x
  2. Step 2: Convert to fraction form
    227,959.20/341,938.80 = 205,408.80/x
  3. Step 3: Cross multiply
    227,959.20x = 341,938.80 × 205,408.80
  4. Step 4: Simplify right side
    227,959.20x = 70,237,238,581.44
  5. Step 5: Solve for x
    x = 70,237,238,581.44/227,959.20
  6. Step 6: Final answer
    x = 308,113.20

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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.