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Finding the Fourth Proportional to 547,481.47, 821,224.14 and 168,399.65

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Solution

The fourth proportional to 547,481.47, 821,224.14 and 168,399.65 is: 252,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,481.47 : 821,224.14 = 168,399.65 : x
  2. Step 2: Convert to fraction form
    547,481.47/821,224.14 = 168,399.65/x
  3. Step 3: Cross multiply
    547,481.47x = 821,224.14 × 168,399.65
  4. Step 4: Simplify right side
    547,481.47x = 138,293,857,747.55
  5. Step 5: Solve for x
    x = 138,293,857,747.55/547,481.47
  6. Step 6: Final answer
    x = 252,600.07

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1.5x scale

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.