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Finding the Fourth Proportional to 351,403.05, 484,738.24 and 222,301.47

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Solution

The fourth proportional to 351,403.05, 484,738.24 and 222,301.47 is: 306,650.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,403.05 : 484,738.24 = 222,301.47 : x
  2. Step 2: Convert to fraction form
    351,403.05/484,738.24 = 222,301.47/x
  3. Step 3: Cross multiply
    351,403.05x = 484,738.24 × 222,301.47
  4. Step 4: Simplify right side
    351,403.05x = 107,758,023,317.21
  5. Step 5: Solve for x
    x = 107,758,023,317.21/351,403.05
  6. Step 6: Final answer
    x = 306,650.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.