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Finding the Fourth Proportional to 246,055, 339,557.07 and 138,626.71

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Solution

The fourth proportional to 246,055, 339,557.07 and 138,626.71 is: 191,305.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,055 : 339,557.07 = 138,626.71 : x
  2. Step 2: Convert to fraction form
    246,055/339,557.07 = 138,626.71/x
  3. Step 3: Cross multiply
    246,055x = 339,557.07 × 138,626.71
  4. Step 4: Simplify right side
    246,055x = 47,071,679,471.34
  5. Step 5: Solve for x
    x = 47,071,679,471.34/246,055
  6. Step 6: Final answer
    x = 191,305.52

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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.