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Finding the Fourth Proportional to 352,002.40, 527,571.60 and 239,682.40

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Solution

The fourth proportional to 352,002.40, 527,571.60 and 239,682.40 is: 359,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,002.40 : 527,571.60 = 239,682.40 : x
  2. Step 2: Convert to fraction form
    352,002.40/527,571.60 = 239,682.40/x
  3. Step 3: Cross multiply
    352,002.40x = 527,571.60 × 239,682.40
  4. Step 4: Simplify right side
    352,002.40x = 126,449,627,259.84
  5. Step 5: Solve for x
    x = 126,449,627,259.84/352,002.40
  6. Step 6: Final answer
    x = 359,229.45

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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.