Home / 321,659.20-443,942.93-178,465.37

Finding the Fourth Proportional to 321,659.20, 443,942.93 and 178,465.37

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Solution

The fourth proportional to 321,659.20, 443,942.93 and 178,465.37 is: 246,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,659.20 : 443,942.93 = 178,465.37 : x
  2. Step 2: Convert to fraction form
    321,659.20/443,942.93 = 178,465.37/x
  3. Step 3: Cross multiply
    321,659.20x = 443,942.93 × 178,465.37
  4. Step 4: Simplify right side
    321,659.20x = 79,228,439,593.18
  5. Step 5: Solve for x
    x = 79,228,439,593.18/321,659.20
  6. Step 6: Final answer
    x = 246,311.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.