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Finding the Fourth Proportional to 167,238.98, 250,866.90 and 47,304.51

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Solution

The fourth proportional to 167,238.98, 250,866.90 and 47,304.51 is: 70,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,238.98 : 250,866.90 = 47,304.51 : x
  2. Step 2: Convert to fraction form
    167,238.98/250,866.90 = 47,304.51/x
  3. Step 3: Cross multiply
    167,238.98x = 250,866.90 × 47,304.51
  4. Step 4: Simplify right side
    167,238.98x = 11,867,134,705.92
  5. Step 5: Solve for x
    x = 11,867,134,705.92/167,238.98
  6. Step 6: Final answer
    x = 70,959.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.