Home / 664,538.04-996,837.78-165,906.36

Finding the Fourth Proportional to 664,538.04, 996,837.78 and 165,906.36

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Solution

The fourth proportional to 664,538.04, 996,837.78 and 165,906.36 is: 248,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,538.04 : 996,837.78 = 165,906.36 : x
  2. Step 2: Convert to fraction form
    664,538.04/996,837.78 = 165,906.36/x
  3. Step 3: Cross multiply
    664,538.04x = 996,837.78 × 165,906.36
  4. Step 4: Simplify right side
    664,538.04x = 165,381,727,590.28
  5. Step 5: Solve for x
    x = 165,381,727,590.28/664,538.04
  6. Step 6: Final answer
    x = 248,867.21

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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.