Home / 331,176.12-496,847.22-131,430.54

Finding the Fourth Proportional to 331,176.12, 496,847.22 and 131,430.54

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Solution

The fourth proportional to 331,176.12, 496,847.22 and 131,430.54 is: 197,178.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,176.12 : 496,847.22 = 131,430.54 : x
  2. Step 2: Convert to fraction form
    331,176.12/496,847.22 = 131,430.54/x
  3. Step 3: Cross multiply
    331,176.12x = 496,847.22 × 131,430.54
  4. Step 4: Simplify right side
    331,176.12x = 65,300,898,422.10
  5. Step 5: Solve for x
    x = 65,300,898,422.10/331,176.12
  6. Step 6: Final answer
    x = 197,178.77

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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.