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Finding the Fourth Proportional to 246,321.40, 339,927.30 and 144,322.44

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Solution

The fourth proportional to 246,321.40, 339,927.30 and 144,322.44 is: 199,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,321.40 : 339,927.30 = 144,322.44 : x
  2. Step 2: Convert to fraction form
    246,321.40/339,927.30 = 144,322.44/x
  3. Step 3: Cross multiply
    246,321.40x = 339,927.30 × 144,322.44
  4. Step 4: Simplify right side
    246,321.40x = 49,059,137,358.61
  5. Step 5: Solve for x
    x = 49,059,137,358.61/246,321.40
  6. Step 6: Final answer
    x = 199,167.17

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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.