Home / 276,664.43-381,791.72-169,226.57

Finding the Fourth Proportional to 276,664.43, 381,791.72 and 169,226.57

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Solution

The fourth proportional to 276,664.43, 381,791.72 and 169,226.57 is: 233,529.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,664.43 : 381,791.72 = 169,226.57 : x
  2. Step 2: Convert to fraction form
    276,664.43/381,791.72 = 169,226.57/x
  3. Step 3: Cross multiply
    276,664.43x = 381,791.72 × 169,226.57
  4. Step 4: Simplify right side
    276,664.43x = 64,609,301,744.11
  5. Step 5: Solve for x
    x = 64,609,301,744.11/276,664.43
  6. Step 6: Final answer
    x = 233,529.49

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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.