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Finding the Fourth Proportional to 266,474.35, 367,733.87 and 145,616.41

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Solution

The fourth proportional to 266,474.35, 367,733.87 and 145,616.41 is: 200,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,474.35 : 367,733.87 = 145,616.41 : x
  2. Step 2: Convert to fraction form
    266,474.35/367,733.87 = 145,616.41/x
  3. Step 3: Cross multiply
    266,474.35x = 367,733.87 × 145,616.41
  4. Step 4: Simplify right side
    266,474.35x = 53,548,085,256.72
  5. Step 5: Solve for x
    x = 53,548,085,256.72/266,474.35
  6. Step 6: Final answer
    x = 200,950.24

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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.