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Finding the Fourth Proportional to 223,745.35, 335,351.29 and 155,910.12

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Solution

The fourth proportional to 223,745.35, 335,351.29 and 155,910.12 is: 233,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,745.35 : 335,351.29 = 155,910.12 : x
  2. Step 2: Convert to fraction form
    223,745.35/335,351.29 = 155,910.12/x
  3. Step 3: Cross multiply
    223,745.35x = 335,351.29 × 155,910.12
  4. Step 4: Simplify right side
    223,745.35x = 52,284,659,818.77
  5. Step 5: Solve for x
    x = 52,284,659,818.77/223,745.35
  6. Step 6: Final answer
    x = 233,679.31

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1.5x scale

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.