Home / 263,576.94-395,306.13-121,285.71

Finding the Fourth Proportional to 263,576.94, 395,306.13 and 121,285.71

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Solution

The fourth proportional to 263,576.94, 395,306.13 and 121,285.71 is: 181,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,576.94 : 395,306.13 = 121,285.71 : x
  2. Step 2: Convert to fraction form
    263,576.94/395,306.13 = 121,285.71/x
  3. Step 3: Cross multiply
    263,576.94x = 395,306.13 × 121,285.71
  4. Step 4: Simplify right side
    263,576.94x = 47,944,984,644.40
  5. Step 5: Solve for x
    x = 47,944,984,644.40/263,576.94
  6. Step 6: Final answer
    x = 181,901.29

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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.