Home / 286,491.06-394,947.09-201,343.86

Finding the Fourth Proportional to 286,491.06, 394,947.09 and 201,343.86

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Solution

The fourth proportional to 286,491.06, 394,947.09 and 201,343.86 is: 277,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,491.06 : 394,947.09 = 201,343.86 : x
  2. Step 2: Convert to fraction form
    286,491.06/394,947.09 = 201,343.86/x
  3. Step 3: Cross multiply
    286,491.06x = 394,947.09 × 201,343.86
  4. Step 4: Simplify right side
    286,491.06x = 79,520,171,596.37
  5. Step 5: Solve for x
    x = 79,520,171,596.37/286,491.06
  6. Step 6: Final answer
    x = 277,565.98

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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.