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Finding the Fourth Proportional to 222,504.57, 307,057.77 and 120,530.04

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Solution

The fourth proportional to 222,504.57, 307,057.77 and 120,530.04 is: 166,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,504.57 : 307,057.77 = 120,530.04 : x
  2. Step 2: Convert to fraction form
    222,504.57/307,057.77 = 120,530.04/x
  3. Step 3: Cross multiply
    222,504.57x = 307,057.77 × 120,530.04
  4. Step 4: Simplify right side
    222,504.57x = 37,009,685,300.41
  5. Step 5: Solve for x
    x = 37,009,685,300.41/222,504.57
  6. Step 6: Final answer
    x = 166,332.25

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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.