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Finding the Fourth Proportional to 150,672, 226,001.52 and 45,487.84

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Solution

The fourth proportional to 150,672, 226,001.52 and 45,487.84 is: 68,229.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,672 : 226,001.52 = 45,487.84 : x
  2. Step 2: Convert to fraction form
    150,672/226,001.52 = 45,487.84/x
  3. Step 3: Cross multiply
    150,672x = 226,001.52 × 45,487.84
  4. Step 4: Simplify right side
    150,672x = 10,280,320,981.52
  5. Step 5: Solve for x
    x = 10,280,320,981.52/150,672
  6. Step 6: Final answer
    x = 68,229.80

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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.