Home / 219,815.91-329,211.11-160,504.47

Finding the Fourth Proportional to 219,815.91, 329,211.11 and 160,504.47

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Solution

The fourth proportional to 219,815.91, 329,211.11 and 160,504.47 is: 240,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,815.91 : 329,211.11 = 160,504.47 : x
  2. Step 2: Convert to fraction form
    219,815.91/329,211.11 = 160,504.47/x
  3. Step 3: Cross multiply
    219,815.91x = 329,211.11 × 160,504.47
  4. Step 4: Simplify right side
    219,815.91x = 52,839,853,926.14
  5. Step 5: Solve for x
    x = 52,839,853,926.14/219,815.91
  6. Step 6: Final answer
    x = 240,382.30

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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.