Home / 412,139.08-568,946.72-276,261.78

Finding the Fourth Proportional to 412,139.08, 568,946.72 and 276,261.78

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Solution

The fourth proportional to 412,139.08, 568,946.72 and 276,261.78 is: 381,371.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,139.08 : 568,946.72 = 276,261.78 : x
  2. Step 2: Convert to fraction form
    412,139.08/568,946.72 = 276,261.78/x
  3. Step 3: Cross multiply
    412,139.08x = 568,946.72 × 276,261.78
  4. Step 4: Simplify right side
    412,139.08x = 157,178,232,211.05
  5. Step 5: Solve for x
    x = 157,178,232,211.05/412,139.08
  6. Step 6: Final answer
    x = 381,371.83

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Why These Related Problems?

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