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Finding the Fourth Proportional to 235,747.56, 353,634.41 and 67,254.93

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Solution

The fourth proportional to 235,747.56, 353,634.41 and 67,254.93 is: 100,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,747.56 : 353,634.41 = 67,254.93 : x
  2. Step 2: Convert to fraction form
    235,747.56/353,634.41 = 67,254.93/x
  3. Step 3: Cross multiply
    235,747.56x = 353,634.41 × 67,254.93
  4. Step 4: Simplify right side
    235,747.56x = 23,783,657,279.97
  5. Step 5: Solve for x
    x = 23,783,657,279.97/235,747.56
  6. Step 6: Final answer
    x = 100,886.12

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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.