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Finding the Fourth Proportional to 289,558.38, 433,857.18 and 204,898.80

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Solution

The fourth proportional to 289,558.38, 433,857.18 and 204,898.80 is: 307,008.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,558.38 : 433,857.18 = 204,898.80 : x
  2. Step 2: Convert to fraction form
    289,558.38/433,857.18 = 204,898.80/x
  3. Step 3: Cross multiply
    289,558.38x = 433,857.18 × 204,898.80
  4. Step 4: Simplify right side
    289,558.38x = 88,896,815,553.38
  5. Step 5: Solve for x
    x = 88,896,815,553.38/289,558.38
  6. Step 6: Final answer
    x = 307,008.26

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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.