Home / 383,431.22-529,072.83-222,254.78

Finding the Fourth Proportional to 383,431.22, 529,072.83 and 222,254.78

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Solution

The fourth proportional to 383,431.22, 529,072.83 and 222,254.78 is: 306,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,431.22 : 529,072.83 = 222,254.78 : x
  2. Step 2: Convert to fraction form
    383,431.22/529,072.83 = 222,254.78/x
  3. Step 3: Cross multiply
    383,431.22x = 529,072.83 × 222,254.78
  4. Step 4: Simplify right side
    383,431.22x = 117,588,965,435.63
  5. Step 5: Solve for x
    x = 117,588,965,435.63/383,431.22
  6. Step 6: Final answer
    x = 306,675.51

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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.