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Finding the Fourth Proportional to 240,659.62, 332,112.90 and 133,231.42

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Solution

The fourth proportional to 240,659.62, 332,112.90 and 133,231.42 is: 183,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,659.62 : 332,112.90 = 133,231.42 : x
  2. Step 2: Convert to fraction form
    240,659.62/332,112.90 = 133,231.42/x
  3. Step 3: Cross multiply
    240,659.62x = 332,112.90 × 133,231.42
  4. Step 4: Simplify right side
    240,659.62x = 44,247,873,267.32
  5. Step 5: Solve for x
    x = 44,247,873,267.32/240,659.62
  6. Step 6: Final answer
    x = 183,860.81

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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.