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Finding the Fourth Proportional to 235,262.31, 352,894.66 and 57,769.38

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Solution

The fourth proportional to 235,262.31, 352,894.66 and 57,769.38 is: 86,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,262.31 : 352,894.66 = 57,769.38 : x
  2. Step 2: Convert to fraction form
    235,262.31/352,894.66 = 57,769.38/x
  3. Step 3: Cross multiply
    235,262.31x = 352,894.66 × 57,769.38
  4. Step 4: Simplify right side
    235,262.31x = 20,386,504,820.29
  5. Step 5: Solve for x
    x = 20,386,504,820.29/235,262.31
  6. Step 6: Final answer
    x = 86,654.36

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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.