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Finding the Fourth Proportional to 606,289.02, 909,183.32 and 206,962

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Solution

The fourth proportional to 606,289.02, 909,183.32 and 206,962 is: 310,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,289.02 : 909,183.32 = 206,962 : x
  2. Step 2: Convert to fraction form
    606,289.02/909,183.32 = 206,962/x
  3. Step 3: Cross multiply
    606,289.02x = 909,183.32 × 206,962
  4. Step 4: Simplify right side
    606,289.02x = 188,166,398,273.84
  5. Step 5: Solve for x
    x = 188,166,398,273.84/606,289.02
  6. Step 6: Final answer
    x = 310,357.59

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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.