Home / 214,015.78-321,023.26-64,255.83

Finding the Fourth Proportional to 214,015.78, 321,023.26 and 64,255.83

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Solution

The fourth proportional to 214,015.78, 321,023.26 and 64,255.83 is: 96,383.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,015.78 : 321,023.26 = 64,255.83 : x
  2. Step 2: Convert to fraction form
    214,015.78/321,023.26 = 64,255.83/x
  3. Step 3: Cross multiply
    214,015.78x = 321,023.26 × 64,255.83
  4. Step 4: Simplify right side
    214,015.78x = 20,627,616,020.61
  5. Step 5: Solve for x
    x = 20,627,616,020.61/214,015.78
  6. Step 6: Final answer
    x = 96,383.62

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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.