Home / 383,429.22-529,070.07-222,252.78

Finding the Fourth Proportional to 383,429.22, 529,070.07 and 222,252.78

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Solution

The fourth proportional to 383,429.22, 529,070.07 and 222,252.78 is: 306,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,429.22 : 529,070.07 = 222,252.78 : x
  2. Step 2: Convert to fraction form
    383,429.22/529,070.07 = 222,252.78/x
  3. Step 3: Cross multiply
    383,429.22x = 529,070.07 × 222,252.78
  4. Step 4: Simplify right side
    383,429.22x = 117,587,293,872.30
  5. Step 5: Solve for x
    x = 117,587,293,872.30/383,429.22
  6. Step 6: Final answer
    x = 306,672.75

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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.