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Finding the Fourth Proportional to 202,007.70, 303,011.55 and 192,822.30

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Solution

The fourth proportional to 202,007.70, 303,011.55 and 192,822.30 is: 289,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,007.70 : 303,011.55 = 192,822.30 : x
  2. Step 2: Convert to fraction form
    202,007.70/303,011.55 = 192,822.30/x
  3. Step 3: Cross multiply
    202,007.70x = 303,011.55 × 192,822.30
  4. Step 4: Simplify right side
    202,007.70x = 58,427,383,997.57
  5. Step 5: Solve for x
    x = 58,427,383,997.57/202,007.70
  6. Step 6: Final answer
    x = 289,233.45

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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.