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Finding the Fourth Proportional to 101,307.36, 151,917 and 38,934

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Solution

The fourth proportional to 101,307.36, 151,917 and 38,934 is: 58,384.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,307.36 : 151,917 = 38,934 : x
  2. Step 2: Convert to fraction form
    101,307.36/151,917 = 38,934/x
  3. Step 3: Cross multiply
    101,307.36x = 151,917 × 38,934
  4. Step 4: Simplify right side
    101,307.36x = 5,914,736,478
  5. Step 5: Solve for x
    x = 5,914,736,478/101,307.36
  6. Step 6: Final answer
    x = 58,384.07

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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.