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Finding the Fourth Proportional to 425,137.14, 636,207.36 and 265,288.37

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Solution

The fourth proportional to 425,137.14, 636,207.36 and 265,288.37 is: 396,997.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,137.14 : 636,207.36 = 265,288.37 : x
  2. Step 2: Convert to fraction form
    425,137.14/636,207.36 = 265,288.37/x
  3. Step 3: Cross multiply
    425,137.14x = 636,207.36 × 265,288.37
  4. Step 4: Simplify right side
    425,137.14x = 168,778,410,335.37
  5. Step 5: Solve for x
    x = 168,778,410,335.37/425,137.14
  6. Step 6: Final answer
    x = 396,997.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.