Home / 274,967.03-379,469.38-154,147.16

Finding the Fourth Proportional to 274,967.03, 379,469.38 and 154,147.16

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Solution

The fourth proportional to 274,967.03, 379,469.38 and 154,147.16 is: 212,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,967.03 : 379,469.38 = 154,147.16 : x
  2. Step 2: Convert to fraction form
    274,967.03/379,469.38 = 154,147.16/x
  3. Step 3: Cross multiply
    274,967.03x = 379,469.38 × 154,147.16
  4. Step 4: Simplify right side
    274,967.03x = 58,494,125,336.61
  5. Step 5: Solve for x
    x = 58,494,125,336.61/274,967.03
  6. Step 6: Final answer
    x = 212,731.42

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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.