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Finding the Fourth Proportional to 393,563.52, 543,257.89 and 232,419.22

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Solution

The fourth proportional to 393,563.52, 543,257.89 and 232,419.22 is: 320,821.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,563.52 : 543,257.89 = 232,419.22 : x
  2. Step 2: Convert to fraction form
    393,563.52/543,257.89 = 232,419.22/x
  3. Step 3: Cross multiply
    393,563.52x = 543,257.89 × 232,419.22
  4. Step 4: Simplify right side
    393,563.52x = 126,263,573,113.45
  5. Step 5: Solve for x
    x = 126,263,573,113.45/393,563.52
  6. Step 6: Final answer
    x = 320,821.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.