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Finding the Fourth Proportional to 272,149.56, 375,576.03 and 149,651.28

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Solution

The fourth proportional to 272,149.56, 375,576.03 and 149,651.28 is: 206,524.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,149.56 : 375,576.03 = 149,651.28 : x
  2. Step 2: Convert to fraction form
    272,149.56/375,576.03 = 149,651.28/x
  3. Step 3: Cross multiply
    272,149.56x = 375,576.03 × 149,651.28
  4. Step 4: Simplify right side
    272,149.56x = 56,205,433,626.82
  5. Step 5: Solve for x
    x = 56,205,433,626.82/272,149.56
  6. Step 6: Final answer
    x = 206,524.07

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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.