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Finding the Fourth Proportional to 247,391.25, 341,400.59 and 134,214

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Solution

The fourth proportional to 247,391.25, 341,400.59 and 134,214 is: 185,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,391.25 : 341,400.59 = 134,214 : x
  2. Step 2: Convert to fraction form
    247,391.25/341,400.59 = 134,214/x
  3. Step 3: Cross multiply
    247,391.25x = 341,400.59 × 134,214
  4. Step 4: Simplify right side
    247,391.25x = 45,820,738,786.26
  5. Step 5: Solve for x
    x = 45,820,738,786.26/247,391.25
  6. Step 6: Final answer
    x = 185,215.68

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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.