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Finding the Fourth Proportional to 283,859.37, 425,871.25 and 84,184.56

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Solution

The fourth proportional to 283,859.37, 425,871.25 and 84,184.56 is: 126,301.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,859.37 : 425,871.25 = 84,184.56 : x
  2. Step 2: Convert to fraction form
    283,859.37/425,871.25 = 84,184.56/x
  3. Step 3: Cross multiply
    283,859.37x = 425,871.25 × 84,184.56
  4. Step 4: Simplify right side
    283,859.37x = 35,851,783,587.44
  5. Step 5: Solve for x
    x = 35,851,783,587.44/283,859.37
  6. Step 6: Final answer
    x = 126,301.22

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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.