Home / 222,919.93-307,634.82-127,435.51

Finding the Fourth Proportional to 222,919.93, 307,634.82 and 127,435.51

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Solution

The fourth proportional to 222,919.93, 307,634.82 and 127,435.51 is: 175,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,919.93 : 307,634.82 = 127,435.51 : x
  2. Step 2: Convert to fraction form
    222,919.93/307,634.82 = 127,435.51/x
  3. Step 3: Cross multiply
    222,919.93x = 307,634.82 × 127,435.51
  4. Step 4: Simplify right side
    222,919.93x = 39,203,598,933.49
  5. Step 5: Solve for x
    x = 39,203,598,933.49/222,919.93
  6. Step 6: Final answer
    x = 175,864.04

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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.