Home / 331,223.96-496,844.10-120,861.86

Finding the Fourth Proportional to 331,223.96, 496,844.10 and 120,861.86

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Solution

The fourth proportional to 331,223.96, 496,844.10 and 120,861.86 is: 181,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,223.96 : 496,844.10 = 120,861.86 : x
  2. Step 2: Convert to fraction form
    331,223.96/496,844.10 = 120,861.86/x
  3. Step 3: Cross multiply
    331,223.96x = 496,844.10 × 120,861.86
  4. Step 4: Simplify right side
    331,223.96x = 60,049,502,056.03
  5. Step 5: Solve for x
    x = 60,049,502,056.03/331,223.96
  6. Step 6: Final answer
    x = 181,295.77

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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.