Home / 246,226.22-339,793.35-138,800.78

Finding the Fourth Proportional to 246,226.22, 339,793.35 and 138,800.78

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Solution

The fourth proportional to 246,226.22, 339,793.35 and 138,800.78 is: 191,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,226.22 : 339,793.35 = 138,800.78 : x
  2. Step 2: Convert to fraction form
    246,226.22/339,793.35 = 138,800.78/x
  3. Step 3: Cross multiply
    246,226.22x = 339,793.35 × 138,800.78
  4. Step 4: Simplify right side
    246,226.22x = 47,163,582,018.81
  5. Step 5: Solve for x
    x = 47,163,582,018.81/246,226.22
  6. Step 6: Final answer
    x = 191,545.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.