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Finding the Fourth Proportional to 247,698.72, 341,911.44 and 147,096

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Solution

The fourth proportional to 247,698.72, 341,911.44 and 147,096 is: 203,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,698.72 : 341,911.44 = 147,096 : x
  2. Step 2: Convert to fraction form
    247,698.72/341,911.44 = 147,096/x
  3. Step 3: Cross multiply
    247,698.72x = 341,911.44 × 147,096
  4. Step 4: Simplify right side
    247,698.72x = 50,293,805,178.24
  5. Step 5: Solve for x
    x = 50,293,805,178.24/247,698.72
  6. Step 6: Final answer
    x = 203,044.27

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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.