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Finding the Fourth Proportional to 272,522.25, 408,797.96 and 85,548.33

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Solution

The fourth proportional to 272,522.25, 408,797.96 and 85,548.33 is: 128,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,522.25 : 408,797.96 = 85,548.33 : x
  2. Step 2: Convert to fraction form
    272,522.25/408,797.96 = 85,548.33/x
  3. Step 3: Cross multiply
    272,522.25x = 408,797.96 × 85,548.33
  4. Step 4: Simplify right side
    272,522.25x = 34,971,982,357.67
  5. Step 5: Solve for x
    x = 34,971,982,357.67/272,522.25
  6. Step 6: Final answer
    x = 128,327.07

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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.