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Finding the Fourth Proportional to 221,293.78, 331,940.41 and 88,267.46

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Solution

The fourth proportional to 221,293.78, 331,940.41 and 88,267.46 is: 132,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,293.78 : 331,940.41 = 88,267.46 : x
  2. Step 2: Convert to fraction form
    221,293.78/331,940.41 = 88,267.46/x
  3. Step 3: Cross multiply
    221,293.78x = 331,940.41 × 88,267.46
  4. Step 4: Simplify right side
    221,293.78x = 29,299,536,862.06
  5. Step 5: Solve for x
    x = 29,299,536,862.06/221,293.78
  6. Step 6: Final answer
    x = 132,401.09

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1.5x scale

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.