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Finding the Fourth Proportional to 227,475.53, 340,513.46 and 148,419.53

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Solution

The fourth proportional to 227,475.53, 340,513.46 and 148,419.53 is: 222,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,475.53 : 340,513.46 = 148,419.53 : x
  2. Step 2: Convert to fraction form
    227,475.53/340,513.46 = 148,419.53/x
  3. Step 3: Cross multiply
    227,475.53x = 340,513.46 × 148,419.53
  4. Step 4: Simplify right side
    227,475.53x = 50,538,846,949.78
  5. Step 5: Solve for x
    x = 50,538,846,949.78/227,475.53
  6. Step 6: Final answer
    x = 222,172.67

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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.