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Finding the Fourth Proportional to 250,164.97, 345,279.78 and 229,989.89

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Solution

The fourth proportional to 250,164.97, 345,279.78 and 229,989.89 is: 317,433.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,164.97 : 345,279.78 = 229,989.89 : x
  2. Step 2: Convert to fraction form
    250,164.97/345,279.78 = 229,989.89/x
  3. Step 3: Cross multiply
    250,164.97x = 345,279.78 × 229,989.89
  4. Step 4: Simplify right side
    250,164.97x = 79,410,859,484.62
  5. Step 5: Solve for x
    x = 79,410,859,484.62/250,164.97
  6. Step 6: Final answer
    x = 317,433.97

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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.