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Finding the Fourth Proportional to 246,859.44, 340,663.50 and 139,429.14

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Solution

The fourth proportional to 246,859.44, 340,663.50 and 139,429.14 is: 192,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,859.44 : 340,663.50 = 139,429.14 : x
  2. Step 2: Convert to fraction form
    246,859.44/340,663.50 = 139,429.14/x
  3. Step 3: Cross multiply
    246,859.44x = 340,663.50 × 139,429.14
  4. Step 4: Simplify right side
    246,859.44x = 47,498,418,834.39
  5. Step 5: Solve for x
    x = 47,498,418,834.39/246,859.44
  6. Step 6: Final answer
    x = 192,410.79

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1.5x scale

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.