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Finding the Fourth Proportional to 315,797.28, 472,847.06 and 240,559

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Solution

The fourth proportional to 315,797.28, 472,847.06 and 240,559 is: 360,191.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,797.28 : 472,847.06 = 240,559 : x
  2. Step 2: Convert to fraction form
    315,797.28/472,847.06 = 240,559/x
  3. Step 3: Cross multiply
    315,797.28x = 472,847.06 × 240,559
  4. Step 4: Simplify right side
    315,797.28x = 113,747,615,906.54
  5. Step 5: Solve for x
    x = 113,747,615,906.54/315,797.28
  6. Step 6: Final answer
    x = 360,191.88

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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.