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Finding the Fourth Proportional to 247,680.72, 341,800.80 and 134,503.44

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Solution

The fourth proportional to 247,680.72, 341,800.80 and 134,503.44 is: 185,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,680.72 : 341,800.80 = 134,503.44 : x
  2. Step 2: Convert to fraction form
    247,680.72/341,800.80 = 134,503.44/x
  3. Step 3: Cross multiply
    247,680.72x = 341,800.80 × 134,503.44
  4. Step 4: Simplify right side
    247,680.72x = 45,973,383,394.75
  5. Step 5: Solve for x
    x = 45,973,383,394.75/247,680.72
  6. Step 6: Final answer
    x = 185,615.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.