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Finding the Fourth Proportional to 246,841.52, 340,642.92 and 133,664.28

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Solution

The fourth proportional to 246,841.52, 340,642.92 and 133,664.28 is: 184,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,841.52 : 340,642.92 = 133,664.28 : x
  2. Step 2: Convert to fraction form
    246,841.52/340,642.92 = 133,664.28/x
  3. Step 3: Cross multiply
    246,841.52x = 340,642.92 × 133,664.28
  4. Step 4: Simplify right side
    246,841.52x = 45,531,790,638.90
  5. Step 5: Solve for x
    x = 45,531,790,638.90/246,841.52
  6. Step 6: Final answer
    x = 184,457.58

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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.