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Finding the Fourth Proportional to 227,308.20, 340,888.42 and 107,346.57

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Solution

The fourth proportional to 227,308.20, 340,888.42 and 107,346.57 is: 160,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,308.20 : 340,888.42 = 107,346.57 : x
  2. Step 2: Convert to fraction form
    227,308.20/340,888.42 = 107,346.57/x
  3. Step 3: Cross multiply
    227,308.20x = 340,888.42 × 107,346.57
  4. Step 4: Simplify right side
    227,308.20x = 36,593,202,639.72
  5. Step 5: Solve for x
    x = 36,593,202,639.72/227,308.20
  6. Step 6: Final answer
    x = 160,984.97

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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.