Home / 235,134.18-324,297.54-154,644.39

Finding the Fourth Proportional to 235,134.18, 324,297.54 and 154,644.39

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Solution

The fourth proportional to 235,134.18, 324,297.54 and 154,644.39 is: 213,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,134.18 : 324,297.54 = 154,644.39 : x
  2. Step 2: Convert to fraction form
    235,134.18/324,297.54 = 154,644.39/x
  3. Step 3: Cross multiply
    235,134.18x = 324,297.54 × 154,644.39
  4. Step 4: Simplify right side
    235,134.18x = 50,150,795,251.80
  5. Step 5: Solve for x
    x = 50,150,795,251.80/235,134.18
  6. Step 6: Final answer
    x = 213,285.86

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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.