Home / 274,967.28-379,469.73-154,147.41

Finding the Fourth Proportional to 274,967.28, 379,469.73 and 154,147.41

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Solution

The fourth proportional to 274,967.28, 379,469.73 and 154,147.41 is: 212,731.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,967.28 : 379,469.73 = 154,147.41 : x
  2. Step 2: Convert to fraction form
    274,967.28/379,469.73 = 154,147.41/x
  3. Step 3: Cross multiply
    274,967.28x = 379,469.73 × 154,147.41
  4. Step 4: Simplify right side
    274,967.28x = 58,494,273,384.81
  5. Step 5: Solve for x
    x = 58,494,273,384.81/274,967.28
  6. Step 6: Final answer
    x = 212,731.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.