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Finding the Fourth Proportional to 339,667.32, 468,765.39 and 203,698.80

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Solution

The fourth proportional to 339,667.32, 468,765.39 and 203,698.80 is: 281,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,667.32 : 468,765.39 = 203,698.80 : x
  2. Step 2: Convert to fraction form
    339,667.32/468,765.39 = 203,698.80/x
  3. Step 3: Cross multiply
    339,667.32x = 468,765.39 × 203,698.80
  4. Step 4: Simplify right side
    339,667.32x = 95,486,948,188.40
  5. Step 5: Solve for x
    x = 95,486,948,188.40/339,667.32
  6. Step 6: Final answer
    x = 281,119.03

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1.5x scale

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.