Home / 383,372.56-529,056.30-222,323.23

Finding the Fourth Proportional to 383,372.56, 529,056.30 and 222,323.23

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Solution

The fourth proportional to 383,372.56, 529,056.30 and 222,323.23 is: 306,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,372.56 : 529,056.30 = 222,323.23 : x
  2. Step 2: Convert to fraction form
    383,372.56/529,056.30 = 222,323.23/x
  3. Step 3: Cross multiply
    383,372.56x = 529,056.30 × 222,323.23
  4. Step 4: Simplify right side
    383,372.56x = 117,621,505,467.85
  5. Step 5: Solve for x
    x = 117,621,505,467.85/383,372.56
  6. Step 6: Final answer
    x = 306,807.31

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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.