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Finding the Fourth Proportional to 246,651.57, 340,379.47 and 133,474.32

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Solution

The fourth proportional to 246,651.57, 340,379.47 and 133,474.32 is: 184,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,651.57 : 340,379.47 = 133,474.32 : x
  2. Step 2: Convert to fraction form
    246,651.57/340,379.47 = 133,474.32/x
  3. Step 3: Cross multiply
    246,651.57x = 340,379.47 × 133,474.32
  4. Step 4: Simplify right side
    246,651.57x = 45,431,917,966.52
  5. Step 5: Solve for x
    x = 45,431,917,966.52/246,651.57
  6. Step 6: Final answer
    x = 184,194.72

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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.