Home / 331,213.96-496,829.10-120,851.86

Finding the Fourth Proportional to 331,213.96, 496,829.10 and 120,851.86

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Solution

The fourth proportional to 331,213.96, 496,829.10 and 120,851.86 is: 181,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,213.96 : 496,829.10 = 120,851.86 : x
  2. Step 2: Convert to fraction form
    331,213.96/496,829.10 = 120,851.86/x
  3. Step 3: Cross multiply
    331,213.96x = 496,829.10 × 120,851.86
  4. Step 4: Simplify right side
    331,213.96x = 60,042,720,837.13
  5. Step 5: Solve for x
    x = 60,042,720,837.13/331,213.96
  6. Step 6: Final answer
    x = 181,280.77

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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.