Home / 222,476.82-307,018.52-120,501.87

Finding the Fourth Proportional to 222,476.82, 307,018.52 and 120,501.87

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Solution

The fourth proportional to 222,476.82, 307,018.52 and 120,501.87 is: 166,292.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,476.82 : 307,018.52 = 120,501.87 : x
  2. Step 2: Convert to fraction form
    222,476.82/307,018.52 = 120,501.87/x
  3. Step 3: Cross multiply
    222,476.82x = 307,018.52 × 120,501.87
  4. Step 4: Simplify right side
    222,476.82x = 36,996,305,784.63
  5. Step 5: Solve for x
    x = 36,996,305,784.63/222,476.82
  6. Step 6: Final answer
    x = 166,292.86

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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.