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Finding the Fourth Proportional to 246,411, 340,027.62 and 138,946.68

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Solution

The fourth proportional to 246,411, 340,027.62 and 138,946.68 is: 191,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,411 : 340,027.62 = 138,946.68 : x
  2. Step 2: Convert to fraction form
    246,411/340,027.62 = 138,946.68/x
  3. Step 3: Cross multiply
    246,411x = 340,027.62 × 138,946.68
  4. Step 4: Simplify right side
    246,411x = 47,245,708,907.30
  5. Step 5: Solve for x
    x = 47,245,708,907.30/246,411
  6. Step 6: Final answer
    x = 191,735.39

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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.