Home / 339,824.75-468,958.70-188,921.75

Finding the Fourth Proportional to 339,824.75, 468,958.70 and 188,921.75

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Solution

The fourth proportional to 339,824.75, 468,958.70 and 188,921.75 is: 260,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,824.75 : 468,958.70 = 188,921.75 : x
  2. Step 2: Convert to fraction form
    339,824.75/468,958.70 = 188,921.75/x
  3. Step 3: Cross multiply
    339,824.75x = 468,958.70 × 188,921.75
  4. Step 4: Simplify right side
    339,824.75x = 88,596,498,281.73
  5. Step 5: Solve for x
    x = 88,596,498,281.73/339,824.75
  6. Step 6: Final answer
    x = 260,712.32

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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.