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Finding the Fourth Proportional to 239,802, 330,926.76 and 133,818

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Solution

The fourth proportional to 239,802, 330,926.76 and 133,818 is: 184,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,802 : 330,926.76 = 133,818 : x
  2. Step 2: Convert to fraction form
    239,802/330,926.76 = 133,818/x
  3. Step 3: Cross multiply
    239,802x = 330,926.76 × 133,818
  4. Step 4: Simplify right side
    239,802x = 44,283,957,169.68
  5. Step 5: Solve for x
    x = 44,283,957,169.68/239,802
  6. Step 6: Final answer
    x = 184,668.84

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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.