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Finding the Fourth Proportional to 375,768, 518,559.87 and 206,003.34

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Solution

The fourth proportional to 375,768, 518,559.87 and 206,003.34 is: 284,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,768 : 518,559.87 = 206,003.34 : x
  2. Step 2: Convert to fraction form
    375,768/518,559.87 = 206,003.34/x
  3. Step 3: Cross multiply
    375,768x = 518,559.87 × 206,003.34
  4. Step 4: Simplify right side
    375,768x = 106,825,065,209.97
  5. Step 5: Solve for x
    x = 106,825,065,209.97/375,768
  6. Step 6: Final answer
    x = 284,284.63

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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.