Home / 481,735.20-664,835.40-266,942.64

Finding the Fourth Proportional to 481,735.20, 664,835.40 and 266,942.64

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Solution

The fourth proportional to 481,735.20, 664,835.40 and 266,942.64 is: 368,403.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,735.20 : 664,835.40 = 266,942.64 : x
  2. Step 2: Convert to fraction form
    481,735.20/664,835.40 = 266,942.64/x
  3. Step 3: Cross multiply
    481,735.20x = 664,835.40 × 266,942.64
  4. Step 4: Simplify right side
    481,735.20x = 177,472,916,841.46
  5. Step 5: Solve for x
    x = 177,472,916,841.46/481,735.20
  6. Step 6: Final answer
    x = 368,403.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.