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Finding the Fourth Proportional to 243,960.62, 336,667.37 and 136,540.65

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Solution

The fourth proportional to 243,960.62, 336,667.37 and 136,540.65 is: 188,427.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,960.62 : 336,667.37 = 136,540.65 : x
  2. Step 2: Convert to fraction form
    243,960.62/336,667.37 = 136,540.65/x
  3. Step 3: Cross multiply
    243,960.62x = 336,667.37 × 136,540.65
  4. Step 4: Simplify right side
    243,960.62x = 45,968,781,533.59
  5. Step 5: Solve for x
    x = 45,968,781,533.59/243,960.62
  6. Step 6: Final answer
    x = 188,427.06

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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.