Home / 283,800.97-425,578.07-81,352.49

Finding the Fourth Proportional to 283,800.97, 425,578.07 and 81,352.49

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Solution

The fourth proportional to 283,800.97, 425,578.07 and 81,352.49 is: 121,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,800.97 : 425,578.07 = 81,352.49 : x
  2. Step 2: Convert to fraction form
    283,800.97/425,578.07 = 81,352.49/x
  3. Step 3: Cross multiply
    283,800.97x = 425,578.07 × 81,352.49
  4. Step 4: Simplify right side
    283,800.97x = 34,621,833,301.78
  5. Step 5: Solve for x
    x = 34,621,833,301.78/283,800.97
  6. Step 6: Final answer
    x = 121,993.36

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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.