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Finding the Fourth Proportional to 203,558.04, 305,814.14 and 192,055.14

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Solution

The fourth proportional to 203,558.04, 305,814.14 and 192,055.14 is: 288,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,558.04 : 305,814.14 = 192,055.14 : x
  2. Step 2: Convert to fraction form
    203,558.04/305,814.14 = 192,055.14/x
  3. Step 3: Cross multiply
    203,558.04x = 305,814.14 × 192,055.14
  4. Step 4: Simplify right side
    203,558.04x = 58,733,177,471.68
  5. Step 5: Solve for x
    x = 58,733,177,471.68/203,558.04
  6. Step 6: Final answer
    x = 288,532.83

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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.