Home / 404,027.20-557,532.44-222,729.76

Finding the Fourth Proportional to 404,027.20, 557,532.44 and 222,729.76

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Solution

The fourth proportional to 404,027.20, 557,532.44 and 222,729.76 is: 307,353.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,027.20 : 557,532.44 = 222,729.76 : x
  2. Step 2: Convert to fraction form
    404,027.20/557,532.44 = 222,729.76/x
  3. Step 3: Cross multiply
    404,027.20x = 557,532.44 × 222,729.76
  4. Step 4: Simplify right side
    404,027.20x = 124,179,066,553.41
  5. Step 5: Solve for x
    x = 124,179,066,553.41/404,027.20
  6. Step 6: Final answer
    x = 307,353.23

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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.