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Finding the Fourth Proportional to 149,495.21, 224,021.28 and 123,029.27

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Solution

The fourth proportional to 149,495.21, 224,021.28 and 123,029.27 is: 184,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,495.21 : 224,021.28 = 123,029.27 : x
  2. Step 2: Convert to fraction form
    149,495.21/224,021.28 = 123,029.27/x
  3. Step 3: Cross multiply
    149,495.21x = 224,021.28 × 123,029.27
  4. Step 4: Simplify right side
    149,495.21x = 27,561,174,724.20
  5. Step 5: Solve for x
    x = 27,561,174,724.20/149,495.21
  6. Step 6: Final answer
    x = 184,361.59

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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.