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Finding the Fourth Proportional to 383,387.92, 529,077.44 and 222,338.46

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Solution

The fourth proportional to 383,387.92, 529,077.44 and 222,338.46 is: 306,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,387.92 : 529,077.44 = 222,338.46 : x
  2. Step 2: Convert to fraction form
    383,387.92/529,077.44 = 222,338.46/x
  3. Step 3: Cross multiply
    383,387.92x = 529,077.44 × 222,338.46
  4. Step 4: Simplify right side
    383,387.92x = 117,634,263,230.34
  5. Step 5: Solve for x
    x = 117,634,263,230.34/383,387.92
  6. Step 6: Final answer
    x = 306,828.30

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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.