Home / 321,379.11-481,917.57-118,835.27

Finding the Fourth Proportional to 321,379.11, 481,917.57 and 118,835.27

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Solution

The fourth proportional to 321,379.11, 481,917.57 and 118,835.27 is: 178,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,379.11 : 481,917.57 = 118,835.27 : x
  2. Step 2: Convert to fraction form
    321,379.11/481,917.57 = 118,835.27/x
  3. Step 3: Cross multiply
    321,379.11x = 481,917.57 × 118,835.27
  4. Step 4: Simplify right side
    321,379.11x = 57,268,803,500.66
  5. Step 5: Solve for x
    x = 57,268,803,500.66/321,379.11
  6. Step 6: Final answer
    x = 178,197.03

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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.