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Finding the Fourth Proportional to 375,954.83, 518,850.47 and 206,221.76

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Solution

The fourth proportional to 375,954.83, 518,850.47 and 206,221.76 is: 284,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,954.83 : 518,850.47 = 206,221.76 : x
  2. Step 2: Convert to fraction form
    375,954.83/518,850.47 = 206,221.76/x
  3. Step 3: Cross multiply
    375,954.83x = 518,850.47 × 206,221.76
  4. Step 4: Simplify right side
    375,954.83x = 106,998,255,021.53
  5. Step 5: Solve for x
    x = 106,998,255,021.53/375,954.83
  6. Step 6: Final answer
    x = 284,604.02

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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.