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Finding the Fourth Proportional to 219,910, 303,475.88 and 124,414.64

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Solution

The fourth proportional to 219,910, 303,475.88 and 124,414.64 is: 171,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,910 : 303,475.88 = 124,414.64 : x
  2. Step 2: Convert to fraction form
    219,910/303,475.88 = 124,414.64/x
  3. Step 3: Cross multiply
    219,910x = 303,475.88 × 124,414.64
  4. Step 4: Simplify right side
    219,910x = 37,756,842,358.88
  5. Step 5: Solve for x
    x = 37,756,842,358.88/219,910
  6. Step 6: Final answer
    x = 171,692.25

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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.