Home / 219,840.40-329,760.60-199,501.30

Finding the Fourth Proportional to 219,840.40, 329,760.60 and 199,501.30

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Solution

The fourth proportional to 219,840.40, 329,760.60 and 199,501.30 is: 299,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,840.40 : 329,760.60 = 199,501.30 : x
  2. Step 2: Convert to fraction form
    219,840.40/329,760.60 = 199,501.30/x
  3. Step 3: Cross multiply
    219,840.40x = 329,760.60 × 199,501.30
  4. Step 4: Simplify right side
    219,840.40x = 65,787,668,388.78
  5. Step 5: Solve for x
    x = 65,787,668,388.78/219,840.40
  6. Step 6: Final answer
    x = 299,251.95

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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.