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Finding the Fourth Proportional to 219,473.28, 329,336.28 and 93,103.56

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Solution

The fourth proportional to 219,473.28, 329,336.28 and 93,103.56 is: 139,708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,473.28 : 329,336.28 = 93,103.56 : x
  2. Step 2: Convert to fraction form
    219,473.28/329,336.28 = 93,103.56/x
  3. Step 3: Cross multiply
    219,473.28x = 329,336.28 × 93,103.56
  4. Step 4: Simplify right side
    219,473.28x = 30,662,380,105.16
  5. Step 5: Solve for x
    x = 30,662,380,105.16/219,473.28
  6. Step 6: Final answer
    x = 139,708.94

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1.5x scale

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.