Home / 230,824.40-346,150.20-81,006.80

Finding the Fourth Proportional to 230,824.40, 346,150.20 and 81,006.80

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Solution

The fourth proportional to 230,824.40, 346,150.20 and 81,006.80 is: 121,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,824.40 : 346,150.20 = 81,006.80 : x
  2. Step 2: Convert to fraction form
    230,824.40/346,150.20 = 81,006.80/x
  3. Step 3: Cross multiply
    230,824.40x = 346,150.20 × 81,006.80
  4. Step 4: Simplify right side
    230,824.40x = 28,040,520,021.36
  5. Step 5: Solve for x
    x = 28,040,520,021.36/230,824.40
  6. Step 6: Final answer
    x = 121,479.88

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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.