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Finding the Fourth Proportional to 253,215.41, 379,180.33 and 151,949.79

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Solution

The fourth proportional to 253,215.41, 379,180.33 and 151,949.79 is: 227,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,215.41 : 379,180.33 = 151,949.79 : x
  2. Step 2: Convert to fraction form
    253,215.41/379,180.33 = 151,949.79/x
  3. Step 3: Cross multiply
    253,215.41x = 379,180.33 × 151,949.79
  4. Step 4: Simplify right side
    253,215.41x = 57,616,371,135.76
  5. Step 5: Solve for x
    x = 57,616,371,135.76/253,215.41
  6. Step 6: Final answer
    x = 227,538.96

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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.