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Finding the Fourth Proportional to 314,634.56, 434,202.39 and 171,394.29

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Solution

The fourth proportional to 314,634.56, 434,202.39 and 171,394.29 is: 236,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,634.56 : 434,202.39 = 171,394.29 : x
  2. Step 2: Convert to fraction form
    314,634.56/434,202.39 = 171,394.29/x
  3. Step 3: Cross multiply
    314,634.56x = 434,202.39 × 171,394.29
  4. Step 4: Simplify right side
    314,634.56x = 74,419,810,350.35
  5. Step 5: Solve for x
    x = 74,419,810,350.35/314,634.56
  6. Step 6: Final answer
    x = 236,527.77

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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.