Home / 274,667.46-379,009.77-153,791.94

Finding the Fourth Proportional to 274,667.46, 379,009.77 and 153,791.94

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Solution

The fourth proportional to 274,667.46, 379,009.77 and 153,791.94 is: 212,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,667.46 : 379,009.77 = 153,791.94 : x
  2. Step 2: Convert to fraction form
    274,667.46/379,009.77 = 153,791.94/x
  3. Step 3: Cross multiply
    274,667.46x = 379,009.77 × 153,791.94
  4. Step 4: Simplify right side
    274,667.46x = 58,288,647,807.25
  5. Step 5: Solve for x
    x = 58,288,647,807.25/274,667.46
  6. Step 6: Final answer
    x = 212,215.34

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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.