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Finding the Fourth Proportional to 403,264, 605,174.84 and 166,608.73

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Solution

The fourth proportional to 403,264, 605,174.84 and 166,608.73 is: 250,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,264 : 605,174.84 = 166,608.73 : x
  2. Step 2: Convert to fraction form
    403,264/605,174.84 = 166,608.73/x
  3. Step 3: Cross multiply
    403,264x = 605,174.84 × 166,608.73
  4. Step 4: Simplify right side
    403,264x = 100,827,411,520.35
  5. Step 5: Solve for x
    x = 100,827,411,520.35/403,264
  6. Step 6: Final answer
    x = 250,028.30

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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.