Home / 276,863.50-415,011.55-210,162.43

Finding the Fourth Proportional to 276,863.50, 415,011.55 and 210,162.43

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Solution

The fourth proportional to 276,863.50, 415,011.55 and 210,162.43 is: 315,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,863.50 : 415,011.55 = 210,162.43 : x
  2. Step 2: Convert to fraction form
    276,863.50/415,011.55 = 210,162.43/x
  3. Step 3: Cross multiply
    276,863.50x = 415,011.55 × 210,162.43
  4. Step 4: Simplify right side
    276,863.50x = 87,219,835,826.07
  5. Step 5: Solve for x
    x = 87,219,835,826.07/276,863.50
  6. Step 6: Final answer
    x = 315,028.29

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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.