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Finding the Fourth Proportional to 295,930.56, 444,227.54 and 118,561.21

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Solution

The fourth proportional to 295,930.56, 444,227.54 and 118,561.21 is: 177,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,930.56 : 444,227.54 = 118,561.21 : x
  2. Step 2: Convert to fraction form
    295,930.56/444,227.54 = 118,561.21/x
  3. Step 3: Cross multiply
    295,930.56x = 444,227.54 × 118,561.21
  4. Step 4: Simplify right side
    295,930.56x = 52,668,154,657.72
  5. Step 5: Solve for x
    x = 52,668,154,657.72/295,930.56
  6. Step 6: Final answer
    x = 177,974.71

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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.