Home / 263,314.20-394,971.30-210,826.20

Finding the Fourth Proportional to 263,314.20, 394,971.30 and 210,826.20

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Solution

The fourth proportional to 263,314.20, 394,971.30 and 210,826.20 is: 316,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,314.20 : 394,971.30 = 210,826.20 : x
  2. Step 2: Convert to fraction form
    263,314.20/394,971.30 = 210,826.20/x
  3. Step 3: Cross multiply
    263,314.20x = 394,971.30 × 210,826.20
  4. Step 4: Simplify right side
    263,314.20x = 83,270,298,288.06
  5. Step 5: Solve for x
    x = 83,270,298,288.06/263,314.20
  6. Step 6: Final answer
    x = 316,239.30

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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.