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Finding the Fourth Proportional to 149,671, 224,262.30 and 69,622

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Solution

The fourth proportional to 149,671, 224,262.30 and 69,622 is: 104,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,671 : 224,262.30 = 69,622 : x
  2. Step 2: Convert to fraction form
    149,671/224,262.30 = 69,622/x
  3. Step 3: Cross multiply
    149,671x = 224,262.30 × 69,622
  4. Step 4: Simplify right side
    149,671x = 15,613,589,850.60
  5. Step 5: Solve for x
    x = 15,613,589,850.60/149,671
  6. Step 6: Final answer
    x = 104,319.41

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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.