Home / 512,998.11-769,579.85-158,011.97

Finding the Fourth Proportional to 512,998.11, 769,579.85 and 158,011.97

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Solution

The fourth proportional to 512,998.11, 769,579.85 and 158,011.97 is: 237,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,998.11 : 769,579.85 = 158,011.97 : x
  2. Step 2: Convert to fraction form
    512,998.11/769,579.85 = 158,011.97/x
  3. Step 3: Cross multiply
    512,998.11x = 769,579.85 × 158,011.97
  4. Step 4: Simplify right side
    512,998.11x = 121,602,824,717.94
  5. Step 5: Solve for x
    x = 121,602,824,717.94/512,998.11
  6. Step 6: Final answer
    x = 237,043.42

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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.