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Finding the Fourth Proportional to 239,722.58, 359,744.40 and 99,481.34

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Solution

The fourth proportional to 239,722.58, 359,744.40 and 99,481.34 is: 149,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,722.58 : 359,744.40 = 99,481.34 : x
  2. Step 2: Convert to fraction form
    239,722.58/359,744.40 = 99,481.34/x
  3. Step 3: Cross multiply
    239,722.58x = 359,744.40 × 99,481.34
  4. Step 4: Simplify right side
    239,722.58x = 35,787,854,969.50
  5. Step 5: Solve for x
    x = 35,787,854,969.50/239,722.58
  6. Step 6: Final answer
    x = 149,288.63

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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.