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Finding the Fourth Proportional to 253,251.81, 379,234.70 and 151,986.12

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Solution

The fourth proportional to 253,251.81, 379,234.70 and 151,986.12 is: 227,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,251.81 : 379,234.70 = 151,986.12 : x
  2. Step 2: Convert to fraction form
    253,251.81/379,234.70 = 151,986.12/x
  3. Step 3: Cross multiply
    253,251.81x = 379,234.70 × 151,986.12
  4. Step 4: Simplify right side
    253,251.81x = 57,638,410,622.36
  5. Step 5: Solve for x
    x = 57,638,410,622.36/253,251.81
  6. Step 6: Final answer
    x = 227,593.28

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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.