Home / 383,427.21-529,067.32-222,250.78

Finding the Fourth Proportional to 383,427.21, 529,067.32 and 222,250.78

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Solution

The fourth proportional to 383,427.21, 529,067.32 and 222,250.78 is: 306,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,427.21 : 529,067.32 = 222,250.78 : x
  2. Step 2: Convert to fraction form
    383,427.21/529,067.32 = 222,250.78/x
  3. Step 3: Cross multiply
    383,427.21x = 529,067.32 × 222,250.78
  4. Step 4: Simplify right side
    383,427.21x = 117,585,624,542.51
  5. Step 5: Solve for x
    x = 117,585,624,542.51/383,427.21
  6. Step 6: Final answer
    x = 306,670.01

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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.