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Finding the Fourth Proportional to 222,932.89, 305,755.79 and 213,777.91

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Solution

The fourth proportional to 222,932.89, 305,755.79 and 213,777.91 is: 293,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,932.89 : 305,755.79 = 213,777.91 : x
  2. Step 2: Convert to fraction form
    222,932.89/305,755.79 = 213,777.91/x
  3. Step 3: Cross multiply
    222,932.89x = 305,755.79 × 213,777.91
  4. Step 4: Simplify right side
    222,932.89x = 65,363,833,756.60
  5. Step 5: Solve for x
    x = 65,363,833,756.60/222,932.89
  6. Step 6: Final answer
    x = 293,199.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.