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Finding the Fourth Proportional to 383,424.93, 529,128.51 and 222,375.48

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Solution

The fourth proportional to 383,424.93, 529,128.51 and 222,375.48 is: 306,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,424.93 : 529,128.51 = 222,375.48 : x
  2. Step 2: Convert to fraction form
    383,424.93/529,128.51 = 222,375.48/x
  3. Step 3: Cross multiply
    383,424.93x = 529,128.51 × 222,375.48
  4. Step 4: Simplify right side
    383,424.93x = 117,665,206,392.94
  5. Step 5: Solve for x
    x = 117,665,206,392.94/383,424.93
  6. Step 6: Final answer
    x = 306,879.38

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1.5x scale

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.