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Finding the Fourth Proportional to 246,449.84, 340,100.90 and 133,272.58

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Solution

The fourth proportional to 246,449.84, 340,100.90 and 133,272.58 is: 183,916.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,449.84 : 340,100.90 = 133,272.58 : x
  2. Step 2: Convert to fraction form
    246,449.84/340,100.90 = 133,272.58/x
  3. Step 3: Cross multiply
    246,449.84x = 340,100.90 × 133,272.58
  4. Step 4: Simplify right side
    246,449.84x = 45,326,124,403.32
  5. Step 5: Solve for x
    x = 45,326,124,403.32/246,449.84
  6. Step 6: Final answer
    x = 183,916.23

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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.