Home / 481,963.61-722,185.02-177,939.70

Finding the Fourth Proportional to 481,963.61, 722,185.02 and 177,939.70

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Solution

The fourth proportional to 481,963.61, 722,185.02 and 177,939.70 is: 266,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,963.61 : 722,185.02 = 177,939.70 : x
  2. Step 2: Convert to fraction form
    481,963.61/722,185.02 = 177,939.70/x
  3. Step 3: Cross multiply
    481,963.61x = 722,185.02 × 177,939.70
  4. Step 4: Simplify right side
    481,963.61x = 128,505,383,997.83
  5. Step 5: Solve for x
    x = 128,505,383,997.83/481,963.61
  6. Step 6: Final answer
    x = 266,628.81

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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.