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Finding the Fourth Proportional to 541,273.42, 811,273.47 and 221,227.84

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Solution

The fourth proportional to 541,273.42, 811,273.47 and 221,227.84 is: 331,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,273.42 : 811,273.47 = 221,227.84 : x
  2. Step 2: Convert to fraction form
    541,273.42/811,273.47 = 221,227.84/x
  3. Step 3: Cross multiply
    541,273.42x = 811,273.47 × 221,227.84
  4. Step 4: Simplify right side
    541,273.42x = 179,476,277,417.41
  5. Step 5: Solve for x
    x = 179,476,277,417.41/541,273.42
  6. Step 6: Final answer
    x = 331,581.55

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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.