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Finding the Fourth Proportional to 219,958, 303,542.85 and 119,356

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Solution

The fourth proportional to 219,958, 303,542.85 and 119,356 is: 164,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,958 : 303,542.85 = 119,356 : x
  2. Step 2: Convert to fraction form
    219,958/303,542.85 = 119,356/x
  3. Step 3: Cross multiply
    219,958x = 303,542.85 × 119,356
  4. Step 4: Simplify right side
    219,958x = 36,229,660,404.60
  5. Step 5: Solve for x
    x = 36,229,660,404.60/219,958
  6. Step 6: Final answer
    x = 164,711.72

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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.