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Finding the Fourth Proportional to 222,599.80, 307,187.13 and 120,628.09

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Solution

The fourth proportional to 222,599.80, 307,187.13 and 120,628.09 is: 166,466.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,599.80 : 307,187.13 = 120,628.09 : x
  2. Step 2: Convert to fraction form
    222,599.80/307,187.13 = 120,628.09/x
  3. Step 3: Cross multiply
    222,599.80x = 307,187.13 × 120,628.09
  4. Step 4: Simplify right side
    222,599.80x = 37,055,396,764.48
  5. Step 5: Solve for x
    x = 37,055,396,764.48/222,599.80
  6. Step 6: Final answer
    x = 166,466.44

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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.