Home / 283,255.32-425,145.78-143,112.36

Finding the Fourth Proportional to 283,255.32, 425,145.78 and 143,112.36

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Solution

The fourth proportional to 283,255.32, 425,145.78 and 143,112.36 is: 214,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,255.32 : 425,145.78 = 143,112.36 : x
  2. Step 2: Convert to fraction form
    283,255.32/425,145.78 = 143,112.36/x
  3. Step 3: Cross multiply
    283,255.32x = 425,145.78 × 143,112.36
  4. Step 4: Simplify right side
    283,255.32x = 60,843,615,919.84
  5. Step 5: Solve for x
    x = 60,843,615,919.84/283,255.32
  6. Step 6: Final answer
    x = 214,801.32

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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.