Home / 383,960.70-529,971.15-222,867.65

Finding the Fourth Proportional to 383,960.70, 529,971.15 and 222,867.65

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Solution

The fourth proportional to 383,960.70, 529,971.15 and 222,867.65 is: 307,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,960.70 : 529,971.15 = 222,867.65 : x
  2. Step 2: Convert to fraction form
    383,960.70/529,971.15 = 222,867.65/x
  3. Step 3: Cross multiply
    383,960.70x = 529,971.15 × 222,867.65
  4. Step 4: Simplify right side
    383,960.70x = 118,113,422,118.44
  5. Step 5: Solve for x
    x = 118,113,422,118.44/383,960.70
  6. Step 6: Final answer
    x = 307,618.52

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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.