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Finding the Fourth Proportional to 275,289.60, 412,934.40 and 245,222.40

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Solution

The fourth proportional to 275,289.60, 412,934.40 and 245,222.40 is: 367,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,289.60 : 412,934.40 = 245,222.40 : x
  2. Step 2: Convert to fraction form
    275,289.60/412,934.40 = 245,222.40/x
  3. Step 3: Cross multiply
    275,289.60x = 412,934.40 × 245,222.40
  4. Step 4: Simplify right side
    275,289.60x = 101,260,764,610.56
  5. Step 5: Solve for x
    x = 101,260,764,610.56/275,289.60
  6. Step 6: Final answer
    x = 367,833.60

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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.