Home / 259,704.36-389,522.52-82,212.30

Finding the Fourth Proportional to 259,704.36, 389,522.52 and 82,212.30

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Solution

The fourth proportional to 259,704.36, 389,522.52 and 82,212.30 is: 123,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,704.36 : 389,522.52 = 82,212.30 : x
  2. Step 2: Convert to fraction form
    259,704.36/389,522.52 = 82,212.30/x
  3. Step 3: Cross multiply
    259,704.36x = 389,522.52 × 82,212.30
  4. Step 4: Simplify right side
    259,704.36x = 32,023,542,271.00
  5. Step 5: Solve for x
    x = 32,023,542,271.00/259,704.36
  6. Step 6: Final answer
    x = 123,307.68

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1.5x scale

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.