Home / 481,729.20-664,737.85-266,829.11

Finding the Fourth Proportional to 481,729.20, 664,737.85 and 266,829.11

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Solution

The fourth proportional to 481,729.20, 664,737.85 and 266,829.11 is: 368,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,729.20 : 664,737.85 = 266,829.11 : x
  2. Step 2: Convert to fraction form
    481,729.20/664,737.85 = 266,829.11/x
  3. Step 3: Cross multiply
    481,729.20x = 664,737.85 × 266,829.11
  4. Step 4: Simplify right side
    481,729.20x = 177,371,410,646.23
  5. Step 5: Solve for x
    x = 177,371,410,646.23/481,729.20
  6. Step 6: Final answer
    x = 368,197.34

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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.