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Finding the Fourth Proportional to 217,300.40, 325,513.20 and 150,815.60

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Solution

The fourth proportional to 217,300.40, 325,513.20 and 150,815.60 is: 225,919.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,300.40 : 325,513.20 = 150,815.60 : x
  2. Step 2: Convert to fraction form
    217,300.40/325,513.20 = 150,815.60/x
  3. Step 3: Cross multiply
    217,300.40x = 325,513.20 × 150,815.60
  4. Step 4: Simplify right side
    217,300.40x = 49,092,468,565.92
  5. Step 5: Solve for x
    x = 49,092,468,565.92/217,300.40
  6. Step 6: Final answer
    x = 225,919.83

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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.