Home / 219,400.20-329,100.30-204,637.95

Finding the Fourth Proportional to 219,400.20, 329,100.30 and 204,637.95

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Solution

The fourth proportional to 219,400.20, 329,100.30 and 204,637.95 is: 306,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,400.20 : 329,100.30 = 204,637.95 : x
  2. Step 2: Convert to fraction form
    219,400.20/329,100.30 = 204,637.95/x
  3. Step 3: Cross multiply
    219,400.20x = 329,100.30 × 204,637.95
  4. Step 4: Simplify right side
    219,400.20x = 67,346,410,736.39
  5. Step 5: Solve for x
    x = 67,346,410,736.39/219,400.20
  6. Step 6: Final answer
    x = 306,956.93

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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.