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Finding the Fourth Proportional to 375,571.69, 518,288.25 and 203,494.02

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Solution

The fourth proportional to 375,571.69, 518,288.25 and 203,494.02 is: 280,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,571.69 : 518,288.25 = 203,494.02 : x
  2. Step 2: Convert to fraction form
    375,571.69/518,288.25 = 203,494.02/x
  3. Step 3: Cross multiply
    375,571.69x = 518,288.25 × 203,494.02
  4. Step 4: Simplify right side
    375,571.69x = 105,468,561,246.16
  5. Step 5: Solve for x
    x = 105,468,561,246.16/375,571.69
  6. Step 6: Final answer
    x = 280,821.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.