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Finding the Fourth Proportional to 235,067, 324,392.46 and 134,465

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Solution

The fourth proportional to 235,067, 324,392.46 and 134,465 is: 185,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,067 : 324,392.46 = 134,465 : x
  2. Step 2: Convert to fraction form
    235,067/324,392.46 = 134,465/x
  3. Step 3: Cross multiply
    235,067x = 324,392.46 × 134,465
  4. Step 4: Simplify right side
    235,067x = 43,619,432,133.90
  5. Step 5: Solve for x
    x = 43,619,432,133.90/235,067
  6. Step 6: Final answer
    x = 185,561.70

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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.