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Finding the Fourth Proportional to 246,842.52, 340,644.30 and 133,665.28

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Solution

The fourth proportional to 246,842.52, 340,644.30 and 133,665.28 is: 184,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,842.52 : 340,644.30 = 133,665.28 : x
  2. Step 2: Convert to fraction form
    246,842.52/340,644.30 = 133,665.28/x
  3. Step 3: Cross multiply
    246,842.52x = 340,644.30 × 133,665.28
  4. Step 4: Simplify right side
    246,842.52x = 45,532,315,739.90
  5. Step 5: Solve for x
    x = 45,532,315,739.90/246,842.52
  6. Step 6: Final answer
    x = 184,458.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.