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Finding the Fourth Proportional to 235,604.39, 325,109.78 and 140,092.64

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Solution

The fourth proportional to 235,604.39, 325,109.78 and 140,092.64 is: 193,313.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,604.39 : 325,109.78 = 140,092.64 : x
  2. Step 2: Convert to fraction form
    235,604.39/325,109.78 = 140,092.64/x
  3. Step 3: Cross multiply
    235,604.39x = 325,109.78 × 140,092.64
  4. Step 4: Simplify right side
    235,604.39x = 45,545,485,744.47
  5. Step 5: Solve for x
    x = 45,545,485,744.47/235,604.39
  6. Step 6: Final answer
    x = 193,313.40

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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.