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Finding the Fourth Proportional to 150,809, 226,213.33 and 38,489.21

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Solution

The fourth proportional to 150,809, 226,213.33 and 38,489.21 is: 57,733.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,809 : 226,213.33 = 38,489.21 : x
  2. Step 2: Convert to fraction form
    150,809/226,213.33 = 38,489.21/x
  3. Step 3: Cross multiply
    150,809x = 226,213.33 × 38,489.21
  4. Step 4: Simplify right side
    150,809x = 8,706,772,363.17
  5. Step 5: Solve for x
    x = 8,706,772,363.17/150,809
  6. Step 6: Final answer
    x = 57,733.77

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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.