Home / 219,811.70-329,717.55-204,065.30

Finding the Fourth Proportional to 219,811.70, 329,717.55 and 204,065.30

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Solution

The fourth proportional to 219,811.70, 329,717.55 and 204,065.30 is: 306,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,811.70 : 329,717.55 = 204,065.30 : x
  2. Step 2: Convert to fraction form
    219,811.70/329,717.55 = 204,065.30/x
  3. Step 3: Cross multiply
    219,811.70x = 329,717.55 × 204,065.30
  4. Step 4: Simplify right side
    219,811.70x = 67,283,910,756.02
  5. Step 5: Solve for x
    x = 67,283,910,756.02/219,811.70
  6. Step 6: Final answer
    x = 306,097.95

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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.