Home / 281,251.73-422,011.89-131,470.26

Finding the Fourth Proportional to 281,251.73, 422,011.89 and 131,470.26

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Solution

The fourth proportional to 281,251.73, 422,011.89 and 131,470.26 is: 197,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,251.73 : 422,011.89 = 131,470.26 : x
  2. Step 2: Convert to fraction form
    281,251.73/422,011.89 = 131,470.26/x
  3. Step 3: Cross multiply
    281,251.73x = 422,011.89 × 131,470.26
  4. Step 4: Simplify right side
    281,251.73x = 55,482,012,901.39
  5. Step 5: Solve for x
    x = 55,482,012,901.39/281,251.73
  6. Step 6: Final answer
    x = 197,268.17

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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.