Home / 361,901.30-541,815.15-320,429.30

Finding the Fourth Proportional to 361,901.30, 541,815.15 and 320,429.30

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Solution

The fourth proportional to 361,901.30, 541,815.15 and 320,429.30 is: 479,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,901.30 : 541,815.15 = 320,429.30 : x
  2. Step 2: Convert to fraction form
    361,901.30/541,815.15 = 320,429.30/x
  3. Step 3: Cross multiply
    361,901.30x = 541,815.15 × 320,429.30
  4. Step 4: Simplify right side
    361,901.30x = 173,613,449,243.90
  5. Step 5: Solve for x
    x = 173,613,449,243.90/361,901.30
  6. Step 6: Final answer
    x = 479,725.96

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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.