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Finding the Fourth Proportional to 536,379.92, 804,673.68 and 203,930

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Solution

The fourth proportional to 536,379.92, 804,673.68 and 203,930 is: 305,934.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,379.92 : 804,673.68 = 203,930 : x
  2. Step 2: Convert to fraction form
    536,379.92/804,673.68 = 203,930/x
  3. Step 3: Cross multiply
    536,379.92x = 804,673.68 × 203,930
  4. Step 4: Simplify right side
    536,379.92x = 164,097,103,562.40
  5. Step 5: Solve for x
    x = 164,097,103,562.40/536,379.92
  6. Step 6: Final answer
    x = 305,934.46

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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.