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Finding the Fourth Proportional to 236,770.54, 326,765.85 and 129,356.71

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Solution

The fourth proportional to 236,770.54, 326,765.85 and 129,356.71 is: 178,524.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,770.54 : 326,765.85 = 129,356.71 : x
  2. Step 2: Convert to fraction form
    236,770.54/326,765.85 = 129,356.71/x
  3. Step 3: Cross multiply
    236,770.54x = 326,765.85 × 129,356.71
  4. Step 4: Simplify right side
    236,770.54x = 42,269,355,296.35
  5. Step 5: Solve for x
    x = 42,269,355,296.35/236,770.54
  6. Step 6: Final answer
    x = 178,524.56

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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.