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Finding the Fourth Proportional to 433,279.82, 597,914.96 and 239,682.48

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Solution

The fourth proportional to 433,279.82, 597,914.96 and 239,682.48 is: 330,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,279.82 : 597,914.96 = 239,682.48 : x
  2. Step 2: Convert to fraction form
    433,279.82/597,914.96 = 239,682.48/x
  3. Step 3: Cross multiply
    433,279.82x = 597,914.96 × 239,682.48
  4. Step 4: Simplify right side
    433,279.82x = 143,309,740,441.90
  5. Step 5: Solve for x
    x = 143,309,740,441.90/433,279.82
  6. Step 6: Final answer
    x = 330,755.63

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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.