Home / 509,928.56-764,940.82-150,099.62

Finding the Fourth Proportional to 509,928.56, 764,940.82 and 150,099.62

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Solution

The fourth proportional to 509,928.56, 764,940.82 and 150,099.62 is: 225,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,928.56 : 764,940.82 = 150,099.62 : x
  2. Step 2: Convert to fraction form
    509,928.56/764,940.82 = 150,099.62/x
  3. Step 3: Cross multiply
    509,928.56x = 764,940.82 × 150,099.62
  4. Step 4: Simplify right side
    509,928.56x = 114,817,326,404.49
  5. Step 5: Solve for x
    x = 114,817,326,404.49/509,928.56
  6. Step 6: Final answer
    x = 225,163.55

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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.