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Finding the Fourth Proportional to 246,348.62, 340,053.54 and 161,471.15

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Solution

The fourth proportional to 246,348.62, 340,053.54 and 161,471.15 is: 222,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,348.62 : 340,053.54 = 161,471.15 : x
  2. Step 2: Convert to fraction form
    246,348.62/340,053.54 = 161,471.15/x
  3. Step 3: Cross multiply
    246,348.62x = 340,053.54 × 161,471.15
  4. Step 4: Simplify right side
    246,348.62x = 54,908,837,015.50
  5. Step 5: Solve for x
    x = 54,908,837,015.50/246,348.62
  6. Step 6: Final answer
    x = 222,890.78

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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.