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Finding the Fourth Proportional to 236,541, 326,439.90 and 135,945.48

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Solution

The fourth proportional to 236,541, 326,439.90 and 135,945.48 is: 187,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,541 : 326,439.90 = 135,945.48 : x
  2. Step 2: Convert to fraction form
    236,541/326,439.90 = 135,945.48/x
  3. Step 3: Cross multiply
    236,541x = 326,439.90 × 135,945.48
  4. Step 4: Simplify right side
    236,541x = 44,378,028,896.65
  5. Step 5: Solve for x
    x = 44,378,028,896.65/236,541
  6. Step 6: Final answer
    x = 187,612.42

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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.