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Finding the Fourth Proportional to 243,361.73, 335,931.55 and 183,107.52

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Solution

The fourth proportional to 243,361.73, 335,931.55 and 183,107.52 is: 252,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,361.73 : 335,931.55 = 183,107.52 : x
  2. Step 2: Convert to fraction form
    243,361.73/335,931.55 = 183,107.52/x
  3. Step 3: Cross multiply
    243,361.73x = 335,931.55 × 183,107.52
  4. Step 4: Simplify right side
    243,361.73x = 61,511,594,999.68
  5. Step 5: Solve for x
    x = 61,511,594,999.68/243,361.73
  6. Step 6: Final answer
    x = 252,757.88

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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.