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Finding the Fourth Proportional to 219,940.89, 303,518.22 and 119,338.89

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Solution

The fourth proportional to 219,940.89, 303,518.22 and 119,338.89 is: 164,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,940.89 : 303,518.22 = 119,338.89 : x
  2. Step 2: Convert to fraction form
    219,940.89/303,518.22 = 119,338.89/x
  3. Step 3: Cross multiply
    219,940.89x = 303,518.22 × 119,338.89
  4. Step 4: Simplify right side
    219,940.89x = 36,221,527,469.58
  5. Step 5: Solve for x
    x = 36,221,527,469.58/219,940.89
  6. Step 6: Final answer
    x = 164,687.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.