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Finding the Fourth Proportional to 228,504.02, 315,937.49 and 200,128.37

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Solution

The fourth proportional to 228,504.02, 315,937.49 and 200,128.37 is: 276,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,504.02 : 315,937.49 = 200,128.37 : x
  2. Step 2: Convert to fraction form
    228,504.02/315,937.49 = 200,128.37/x
  3. Step 3: Cross multiply
    228,504.02x = 315,937.49 × 200,128.37
  4. Step 4: Simplify right side
    228,504.02x = 63,228,052,315.26
  5. Step 5: Solve for x
    x = 63,228,052,315.26/228,504.02
  6. Step 6: Final answer
    x = 276,704.34

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1.5x scale

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.