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Finding the Fourth Proportional to 243,837.56, 336,502.56 and 136,426.16

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Solution

The fourth proportional to 243,837.56, 336,502.56 and 136,426.16 is: 188,271.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,837.56 : 336,502.56 = 136,426.16 : x
  2. Step 2: Convert to fraction form
    243,837.56/336,502.56 = 136,426.16/x
  3. Step 3: Cross multiply
    243,837.56x = 336,502.56 × 136,426.16
  4. Step 4: Simplify right side
    243,837.56x = 45,907,752,090.97
  5. Step 5: Solve for x
    x = 45,907,752,090.97/243,837.56
  6. Step 6: Final answer
    x = 188,271.86

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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.