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Finding the Fourth Proportional to 270,157.89, 404,874.59 and 210,258.68

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Solution

The fourth proportional to 270,157.89, 404,874.59 and 210,258.68 is: 315,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,157.89 : 404,874.59 = 210,258.68 : x
  2. Step 2: Convert to fraction form
    270,157.89/404,874.59 = 210,258.68/x
  3. Step 3: Cross multiply
    270,157.89x = 404,874.59 × 210,258.68
  4. Step 4: Simplify right side
    270,157.89x = 85,128,396,819.83
  5. Step 5: Solve for x
    x = 85,128,396,819.83/270,157.89
  6. Step 6: Final answer
    x = 315,106.09

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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.