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Finding the Fourth Proportional to 246,054, 339,555.69 and 138,625.71

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Solution

The fourth proportional to 246,054, 339,555.69 and 138,625.71 is: 191,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,054 : 339,555.69 = 138,625.71 : x
  2. Step 2: Convert to fraction form
    246,054/339,555.69 = 138,625.71/x
  3. Step 3: Cross multiply
    246,054x = 339,555.69 × 138,625.71
  4. Step 4: Simplify right side
    246,054x = 47,071,148,610.79
  5. Step 5: Solve for x
    x = 47,071,148,610.79/246,054
  6. Step 6: Final answer
    x = 191,304.14

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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.