Home / 668,181.30-1,002,369.15-218,793.30

Finding the Fourth Proportional to 668,181.30, 1,002,369.15 and 218,793.30

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Solution

The fourth proportional to 668,181.30, 1,002,369.15 and 218,793.30 is: 328,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,181.30 : 1,002,369.15 = 218,793.30 : x
  2. Step 2: Convert to fraction form
    668,181.30/1,002,369.15 = 218,793.30/x
  3. Step 3: Cross multiply
    668,181.30x = 1,002,369.15 × 218,793.30
  4. Step 4: Simplify right side
    668,181.30x = 219,311,654,146.70
  5. Step 5: Solve for x
    x = 219,311,654,146.70/668,181.30
  6. Step 6: Final answer
    x = 328,221.78

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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.