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Finding the Fourth Proportional to 435,087.44, 652,553.31 and 276,845.84

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Solution

The fourth proportional to 435,087.44, 652,553.31 and 276,845.84 is: 415,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,087.44 : 652,553.31 = 276,845.84 : x
  2. Step 2: Convert to fraction form
    435,087.44/652,553.31 = 276,845.84/x
  3. Step 3: Cross multiply
    435,087.44x = 652,553.31 × 276,845.84
  4. Step 4: Simplify right side
    435,087.44x = 180,656,669,251.73
  5. Step 5: Solve for x
    x = 180,656,669,251.73/435,087.44
  6. Step 6: Final answer
    x = 415,219.22

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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.