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Finding the Fourth Proportional to 220,849.46, 304,863.81 and 167,149.46

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Solution

The fourth proportional to 220,849.46, 304,863.81 and 167,149.46 is: 230,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,849.46 : 304,863.81 = 167,149.46 : x
  2. Step 2: Convert to fraction form
    220,849.46/304,863.81 = 167,149.46/x
  3. Step 3: Cross multiply
    220,849.46x = 304,863.81 × 167,149.46
  4. Step 4: Simplify right side
    220,849.46x = 50,957,821,215.04
  5. Step 5: Solve for x
    x = 50,957,821,215.04/220,849.46
  6. Step 6: Final answer
    x = 230,735.55

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1.5x scale

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.