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Finding the Fourth Proportional to 236,773.92, 326,770.52 and 129,360.09

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Solution

The fourth proportional to 236,773.92, 326,770.52 and 129,360.09 is: 178,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,773.92 : 326,770.52 = 129,360.09 : x
  2. Step 2: Convert to fraction form
    236,773.92/326,770.52 = 129,360.09/x
  3. Step 3: Cross multiply
    236,773.92x = 326,770.52 × 129,360.09
  4. Step 4: Simplify right side
    236,773.92x = 42,271,062,566.09
  5. Step 5: Solve for x
    x = 42,271,062,566.09/236,773.92
  6. Step 6: Final answer
    x = 178,529.22

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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.