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Finding the Fourth Proportional to 228,704.00, 315,606.83 and 126,728.55

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Solution

The fourth proportional to 228,704.00, 315,606.83 and 126,728.55 is: 174,882.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,704.00 : 315,606.83 = 126,728.55 : x
  2. Step 2: Convert to fraction form
    228,704.00/315,606.83 = 126,728.55/x
  3. Step 3: Cross multiply
    228,704.00x = 315,606.83 × 126,728.55
  4. Step 4: Simplify right side
    228,704.00x = 39,996,395,302.35
  5. Step 5: Solve for x
    x = 39,996,395,302.35/228,704.00
  6. Step 6: Final answer
    x = 174,882.80

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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.