Home / 331,249.77-496,776.24-120,838.50

Finding the Fourth Proportional to 331,249.77, 496,776.24 and 120,838.50

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Solution

The fourth proportional to 331,249.77, 496,776.24 and 120,838.50 is: 181,221.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,249.77 : 496,776.24 = 120,838.50 : x
  2. Step 2: Convert to fraction form
    331,249.77/496,776.24 = 120,838.50/x
  3. Step 3: Cross multiply
    331,249.77x = 496,776.24 × 120,838.50
  4. Step 4: Simplify right side
    331,249.77x = 60,029,695,677.24
  5. Step 5: Solve for x
    x = 60,029,695,677.24/331,249.77
  6. Step 6: Final answer
    x = 181,221.85

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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.