Home / 274,930.34-379,408.46-154,098.59

Finding the Fourth Proportional to 274,930.34, 379,408.46 and 154,098.59

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Solution

The fourth proportional to 274,930.34, 379,408.46 and 154,098.59 is: 212,658.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,930.34 : 379,408.46 = 154,098.59 : x
  2. Step 2: Convert to fraction form
    274,930.34/379,408.46 = 154,098.59/x
  3. Step 3: Cross multiply
    274,930.34x = 379,408.46 × 154,098.59
  4. Step 4: Simplify right side
    274,930.34x = 58,466,306,052.54
  5. Step 5: Solve for x
    x = 58,466,306,052.54/274,930.34
  6. Step 6: Final answer
    x = 212,658.62

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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.