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Finding the Fourth Proportional to 202,935.60, 304,416.72 and 53,179.56

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Solution

The fourth proportional to 202,935.60, 304,416.72 and 53,179.56 is: 79,772.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,935.60 : 304,416.72 = 53,179.56 : x
  2. Step 2: Convert to fraction form
    202,935.60/304,416.72 = 53,179.56/x
  3. Step 3: Cross multiply
    202,935.60x = 304,416.72 × 53,179.56
  4. Step 4: Simplify right side
    202,935.60x = 16,188,747,226.24
  5. Step 5: Solve for x
    x = 16,188,747,226.24/202,935.60
  6. Step 6: Final answer
    x = 79,772.83

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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.