Home / 276,862.50-415,010.05-210,161.43

Finding the Fourth Proportional to 276,862.50, 415,010.05 and 210,161.43

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Solution

The fourth proportional to 276,862.50, 415,010.05 and 210,161.43 is: 315,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,862.50 : 415,010.05 = 210,161.43 : x
  2. Step 2: Convert to fraction form
    276,862.50/415,010.05 = 210,161.43/x
  3. Step 3: Cross multiply
    276,862.50x = 415,010.05 × 210,161.43
  4. Step 4: Simplify right side
    276,862.50x = 87,219,105,046.97
  5. Step 5: Solve for x
    x = 87,219,105,046.97/276,862.50
  6. Step 6: Final answer
    x = 315,026.79

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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.