Home / 444,815.20-667,287.60-145,309.60

Finding the Fourth Proportional to 444,815.20, 667,287.60 and 145,309.60

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Solution

The fourth proportional to 444,815.20, 667,287.60 and 145,309.60 is: 217,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,815.20 : 667,287.60 = 145,309.60 : x
  2. Step 2: Convert to fraction form
    444,815.20/667,287.60 = 145,309.60/x
  3. Step 3: Cross multiply
    444,815.20x = 667,287.60 × 145,309.60
  4. Step 4: Simplify right side
    444,815.20x = 96,963,294,240.96
  5. Step 5: Solve for x
    x = 96,963,294,240.96/444,815.20
  6. Step 6: Final answer
    x = 217,985.57

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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.