Home / 221,286.74-331,930.31-94,844.93

Finding the Fourth Proportional to 221,286.74, 331,930.31 and 94,844.93

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Solution

The fourth proportional to 221,286.74, 331,930.31 and 94,844.93 is: 142,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,286.74 : 331,930.31 = 94,844.93 : x
  2. Step 2: Convert to fraction form
    221,286.74/331,930.31 = 94,844.93/x
  3. Step 3: Cross multiply
    221,286.74x = 331,930.31 × 94,844.93
  4. Step 4: Simplify right side
    221,286.74x = 31,481,904,882.95
  5. Step 5: Solve for x
    x = 31,481,904,882.95/221,286.74
  6. Step 6: Final answer
    x = 142,267.47

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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.