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Finding the Fourth Proportional to 283,802.97, 425,581.07 and 81,354.49

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Solution

The fourth proportional to 283,802.97, 425,581.07 and 81,354.49 is: 121,996.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,802.97 : 425,581.07 = 81,354.49 : x
  2. Step 2: Convert to fraction form
    283,802.97/425,581.07 = 81,354.49/x
  3. Step 3: Cross multiply
    283,802.97x = 425,581.07 × 81,354.49
  4. Step 4: Simplify right side
    283,802.97x = 34,622,930,903.50
  5. Step 5: Solve for x
    x = 34,622,930,903.50/283,802.97
  6. Step 6: Final answer
    x = 121,996.37

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