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Finding the Fourth Proportional to 223,249.02, 334,876.17 and 65,480.64

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Solution

The fourth proportional to 223,249.02, 334,876.17 and 65,480.64 is: 98,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,249.02 : 334,876.17 = 65,480.64 : x
  2. Step 2: Convert to fraction form
    223,249.02/334,876.17 = 65,480.64/x
  3. Step 3: Cross multiply
    223,249.02x = 334,876.17 × 65,480.64
  4. Step 4: Simplify right side
    223,249.02x = 21,927,905,932.35
  5. Step 5: Solve for x
    x = 21,927,905,932.35/223,249.02
  6. Step 6: Final answer
    x = 98,221.73

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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.