Home / 509,933.30-764,947.92-150,104.39

Finding the Fourth Proportional to 509,933.30, 764,947.92 and 150,104.39

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Solution

The fourth proportional to 509,933.30, 764,947.92 and 150,104.39 is: 225,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,933.30 : 764,947.92 = 150,104.39 : x
  2. Step 2: Convert to fraction form
    509,933.30/764,947.92 = 150,104.39/x
  3. Step 3: Cross multiply
    509,933.30x = 764,947.92 × 150,104.39
  4. Step 4: Simplify right side
    509,933.30x = 114,822,040,913.37
  5. Step 5: Solve for x
    x = 114,822,040,913.37/509,933.30
  6. Step 6: Final answer
    x = 225,170.71

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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.