Home / 664,540.04-996,840.78-165,908.36

Finding the Fourth Proportional to 664,540.04, 996,840.78 and 165,908.36

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Solution

The fourth proportional to 664,540.04, 996,840.78 and 165,908.36 is: 248,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,540.04 : 996,840.78 = 165,908.36 : x
  2. Step 2: Convert to fraction form
    664,540.04/996,840.78 = 165,908.36/x
  3. Step 3: Cross multiply
    664,540.04x = 996,840.78 × 165,908.36
  4. Step 4: Simplify right side
    664,540.04x = 165,384,218,990.92
  5. Step 5: Solve for x
    x = 165,384,218,990.92/664,540.04
  6. Step 6: Final answer
    x = 248,870.21

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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.