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Finding the Fourth Proportional to 235,734.90, 353,603.88 and 67,254.84

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Solution

The fourth proportional to 235,734.90, 353,603.88 and 67,254.84 is: 100,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,734.90 : 353,603.88 = 67,254.84 : x
  2. Step 2: Convert to fraction form
    235,734.90/353,603.88 = 67,254.84/x
  3. Step 3: Cross multiply
    235,734.90x = 353,603.88 × 67,254.84
  4. Step 4: Simplify right side
    235,734.90x = 23,781,572,372.78
  5. Step 5: Solve for x
    x = 23,781,572,372.78/235,734.90
  6. Step 6: Final answer
    x = 100,882.70

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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.