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Finding the Fourth Proportional to 369,722.60, 510,217.19 and 199,956.73

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Solution

The fourth proportional to 369,722.60, 510,217.19 and 199,956.73 is: 275,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,722.60 : 510,217.19 = 199,956.73 : x
  2. Step 2: Convert to fraction form
    369,722.60/510,217.19 = 199,956.73/x
  3. Step 3: Cross multiply
    369,722.60x = 510,217.19 × 199,956.73
  4. Step 4: Simplify right side
    369,722.60x = 102,021,359,179.56
  5. Step 5: Solve for x
    x = 102,021,359,179.56/369,722.60
  6. Step 6: Final answer
    x = 275,940.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.