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Finding the Fourth Proportional to 237,963.76, 356,801.83 and 111,631.70

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Solution

The fourth proportional to 237,963.76, 356,801.83 and 111,631.70 is: 167,380.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,963.76 : 356,801.83 = 111,631.70 : x
  2. Step 2: Convert to fraction form
    237,963.76/356,801.83 = 111,631.70/x
  3. Step 3: Cross multiply
    237,963.76x = 356,801.83 × 111,631.70
  4. Step 4: Simplify right side
    237,963.76x = 39,830,395,458.94
  5. Step 5: Solve for x
    x = 39,830,395,458.94/237,963.76
  6. Step 6: Final answer
    x = 167,380.09

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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.