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Finding the Fourth Proportional to 493,850.52, 740,629.44 and 209,537.28

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Solution

The fourth proportional to 493,850.52, 740,629.44 and 209,537.28 is: 314,243.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,850.52 : 740,629.44 = 209,537.28 : x
  2. Step 2: Convert to fraction form
    493,850.52/740,629.44 = 209,537.28/x
  3. Step 3: Cross multiply
    493,850.52x = 740,629.44 × 209,537.28
  4. Step 4: Simplify right side
    493,850.52x = 155,189,478,345.52
  5. Step 5: Solve for x
    x = 155,189,478,345.52/493,850.52
  6. Step 6: Final answer
    x = 314,243.83

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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.