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Finding the Fourth Proportional to 223,805.65, 335,810.03 and 204,885.27

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Solution

The fourth proportional to 223,805.65, 335,810.03 and 204,885.27 is: 307,420.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,805.65 : 335,810.03 = 204,885.27 : x
  2. Step 2: Convert to fraction form
    223,805.65/335,810.03 = 204,885.27/x
  3. Step 3: Cross multiply
    223,805.65x = 335,810.03 × 204,885.27
  4. Step 4: Simplify right side
    223,805.65x = 68,802,528,665.26
  5. Step 5: Solve for x
    x = 68,802,528,665.26/223,805.65
  6. Step 6: Final answer
    x = 307,420.87

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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.