Home / 204,490.27-306,633.50-129,553.32

Finding the Fourth Proportional to 204,490.27, 306,633.50 and 129,553.32

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Solution

The fourth proportional to 204,490.27, 306,633.50 and 129,553.32 is: 194,265.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,490.27 : 306,633.50 = 129,553.32 : x
  2. Step 2: Convert to fraction form
    204,490.27/306,633.50 = 129,553.32/x
  3. Step 3: Cross multiply
    204,490.27x = 306,633.50 × 129,553.32
  4. Step 4: Simplify right side
    204,490.27x = 39,725,388,936.15
  5. Step 5: Solve for x
    x = 39,725,388,936.15/204,490.27
  6. Step 6: Final answer
    x = 194,265.42

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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.