Home / 274,968.67-379,456.24-154,109.92

Finding the Fourth Proportional to 274,968.67, 379,456.24 and 154,109.92

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Solution

The fourth proportional to 274,968.67, 379,456.24 and 154,109.92 is: 212,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,968.67 : 379,456.24 = 154,109.92 : x
  2. Step 2: Convert to fraction form
    274,968.67/379,456.24 = 154,109.92/x
  3. Step 3: Cross multiply
    274,968.67x = 379,456.24 × 154,109.92
  4. Step 4: Simplify right side
    274,968.67x = 58,477,970,789.90
  5. Step 5: Solve for x
    x = 58,477,970,789.90/274,968.67
  6. Step 6: Final answer
    x = 212,671.40

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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.