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Finding the Fourth Proportional to 276,722, 415,083.24 and 99,240.08

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Solution

The fourth proportional to 276,722, 415,083.24 and 99,240.08 is: 148,860.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,722 : 415,083.24 = 99,240.08 : x
  2. Step 2: Convert to fraction form
    276,722/415,083.24 = 99,240.08/x
  3. Step 3: Cross multiply
    276,722x = 415,083.24 × 99,240.08
  4. Step 4: Simplify right side
    276,722x = 41,192,893,944.26
  5. Step 5: Solve for x
    x = 41,192,893,944.26/276,722
  6. Step 6: Final answer
    x = 148,860.21

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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.