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Finding the Fourth Proportional to 235,230.78, 352,792.98 and 108,801.66

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Solution

The fourth proportional to 235,230.78, 352,792.98 and 108,801.66 is: 163,177.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,230.78 : 352,792.98 = 108,801.66 : x
  2. Step 2: Convert to fraction form
    235,230.78/352,792.98 = 108,801.66/x
  3. Step 3: Cross multiply
    235,230.78x = 352,792.98 × 108,801.66
  4. Step 4: Simplify right side
    235,230.78x = 38,384,461,860.35
  5. Step 5: Solve for x
    x = 38,384,461,860.35/235,230.78
  6. Step 6: Final answer
    x = 163,177.89

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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.