Home / 309,067.43-463,530.97-109,387.72

Finding the Fourth Proportional to 309,067.43, 463,530.97 and 109,387.72

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Solution

The fourth proportional to 309,067.43, 463,530.97 and 109,387.72 is: 164,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,067.43 : 463,530.97 = 109,387.72 : x
  2. Step 2: Convert to fraction form
    309,067.43/463,530.97 = 109,387.72/x
  3. Step 3: Cross multiply
    309,067.43x = 463,530.97 × 109,387.72
  4. Step 4: Simplify right side
    309,067.43x = 50,704,595,370.16
  5. Step 5: Solve for x
    x = 50,704,595,370.16/309,067.43
  6. Step 6: Final answer
    x = 164,056.74

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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.