Home / 220,829.20-331,243.80-186,614.80

Finding the Fourth Proportional to 220,829.20, 331,243.80 and 186,614.80

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Solution

The fourth proportional to 220,829.20, 331,243.80 and 186,614.80 is: 279,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,829.20 : 331,243.80 = 186,614.80 : x
  2. Step 2: Convert to fraction form
    220,829.20/331,243.80 = 186,614.80/x
  3. Step 3: Cross multiply
    220,829.20x = 331,243.80 × 186,614.80
  4. Step 4: Simplify right side
    220,829.20x = 61,814,995,488.24
  5. Step 5: Solve for x
    x = 61,814,995,488.24/220,829.20
  6. Step 6: Final answer
    x = 279,922.20

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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.