Home / 387,514.17-534,546.61-242,067.11

Finding the Fourth Proportional to 387,514.17, 534,546.61 and 242,067.11

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Solution

The fourth proportional to 387,514.17, 534,546.61 and 242,067.11 is: 333,913.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,514.17 : 534,546.61 = 242,067.11 : x
  2. Step 2: Convert to fraction form
    387,514.17/534,546.61 = 242,067.11/x
  3. Step 3: Cross multiply
    387,514.17x = 534,546.61 × 242,067.11
  4. Step 4: Simplify right side
    387,514.17x = 129,396,149,765.10
  5. Step 5: Solve for x
    x = 129,396,149,765.10/387,514.17
  6. Step 6: Final answer
    x = 333,913.34

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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.