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Finding the Fourth Proportional to 236,215.66, 325,963.56 and 134,226.97

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Solution

The fourth proportional to 236,215.66, 325,963.56 and 134,226.97 is: 185,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,215.66 : 325,963.56 = 134,226.97 : x
  2. Step 2: Convert to fraction form
    236,215.66/325,963.56 = 134,226.97/x
  3. Step 3: Cross multiply
    236,215.66x = 325,963.56 × 134,226.97
  4. Step 4: Simplify right side
    236,215.66x = 43,753,099,922.63
  5. Step 5: Solve for x
    x = 43,753,099,922.63/236,215.66
  6. Step 6: Final answer
    x = 185,225.23

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1.5x scale

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.