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Finding the Fourth Proportional to 222,002.70, 333,004.05 and 81,743.10

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Solution

The fourth proportional to 222,002.70, 333,004.05 and 81,743.10 is: 122,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,002.70 : 333,004.05 = 81,743.10 : x
  2. Step 2: Convert to fraction form
    222,002.70/333,004.05 = 81,743.10/x
  3. Step 3: Cross multiply
    222,002.70x = 333,004.05 × 81,743.10
  4. Step 4: Simplify right side
    222,002.70x = 27,220,783,359.56
  5. Step 5: Solve for x
    x = 27,220,783,359.56/222,002.70
  6. Step 6: Final answer
    x = 122,614.65

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1.5x scale

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.