Home / 254,626.58-381,218.16-211,586.42

Finding the Fourth Proportional to 254,626.58, 381,218.16 and 211,586.42

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Solution

The fourth proportional to 254,626.58, 381,218.16 and 211,586.42 is: 316,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,626.58 : 381,218.16 = 211,586.42 : x
  2. Step 2: Convert to fraction form
    254,626.58/381,218.16 = 211,586.42/x
  3. Step 3: Cross multiply
    254,626.58x = 381,218.16 × 211,586.42
  4. Step 4: Simplify right side
    254,626.58x = 80,660,585,713.39
  5. Step 5: Solve for x
    x = 80,660,585,713.39/254,626.58
  6. Step 6: Final answer
    x = 316,779.91

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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.