Home / 219,776.20-329,631.90-62,020.60

Finding the Fourth Proportional to 219,776.20, 329,631.90 and 62,020.60

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Solution

The fourth proportional to 219,776.20, 329,631.90 and 62,020.60 is: 93,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,776.20 : 329,631.90 = 62,020.60 : x
  2. Step 2: Convert to fraction form
    219,776.20/329,631.90 = 62,020.60/x
  3. Step 3: Cross multiply
    219,776.20x = 329,631.90 × 62,020.60
  4. Step 4: Simplify right side
    219,776.20x = 20,443,968,217.14
  5. Step 5: Solve for x
    x = 20,443,968,217.14/219,776.20
  6. Step 6: Final answer
    x = 93,021.76

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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.