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Finding the Fourth Proportional to 203,923.72, 306,118.86 and 192,259.72

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Solution

The fourth proportional to 203,923.72, 306,118.86 and 192,259.72 is: 288,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,923.72 : 306,118.86 = 192,259.72 : x
  2. Step 2: Convert to fraction form
    203,923.72/306,118.86 = 192,259.72/x
  3. Step 3: Cross multiply
    203,923.72x = 306,118.86 × 192,259.72
  4. Step 4: Simplify right side
    203,923.72x = 58,854,326,310.32
  5. Step 5: Solve for x
    x = 58,854,326,310.32/203,923.72
  6. Step 6: Final answer
    x = 288,609.52

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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.