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Finding the Fourth Proportional to 223,404.30, 335,103.75 and 65,627.10

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Solution

The fourth proportional to 223,404.30, 335,103.75 and 65,627.10 is: 98,439.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,404.30 : 335,103.75 = 65,627.10 : x
  2. Step 2: Convert to fraction form
    223,404.30/335,103.75 = 65,627.10/x
  3. Step 3: Cross multiply
    223,404.30x = 335,103.75 × 65,627.10
  4. Step 4: Simplify right side
    223,404.30x = 21,991,887,311.63
  5. Step 5: Solve for x
    x = 21,991,887,311.63/223,404.30
  6. Step 6: Final answer
    x = 98,439.86

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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.