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Finding the Fourth Proportional to 363,161.88, 544,757.46 and 126,528.52

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Solution

The fourth proportional to 363,161.88, 544,757.46 and 126,528.52 is: 189,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,161.88 : 544,757.46 = 126,528.52 : x
  2. Step 2: Convert to fraction form
    363,161.88/544,757.46 = 126,528.52/x
  3. Step 3: Cross multiply
    363,161.88x = 544,757.46 × 126,528.52
  4. Step 4: Simplify right side
    363,161.88x = 68,927,355,172.76
  5. Step 5: Solve for x
    x = 68,927,355,172.76/363,161.88
  6. Step 6: Final answer
    x = 189,797.88

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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.