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Finding the Fourth Proportional to 322,113.78, 444,484.53 and 188,055.54

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Solution

The fourth proportional to 322,113.78, 444,484.53 and 188,055.54 is: 259,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,113.78 : 444,484.53 = 188,055.54 : x
  2. Step 2: Convert to fraction form
    322,113.78/444,484.53 = 188,055.54/x
  3. Step 3: Cross multiply
    322,113.78x = 444,484.53 × 188,055.54
  4. Step 4: Simplify right side
    322,113.78x = 83,587,778,310.80
  5. Step 5: Solve for x
    x = 83,587,778,310.80/322,113.78
  6. Step 6: Final answer
    x = 259,497.68

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1.5x scale

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.