Home / 251,231.55-346,759.14-143,863.21

Finding the Fourth Proportional to 251,231.55, 346,759.14 and 143,863.21

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Solution

The fourth proportional to 251,231.55, 346,759.14 and 143,863.21 is: 198,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,231.55 : 346,759.14 = 143,863.21 : x
  2. Step 2: Convert to fraction form
    251,231.55/346,759.14 = 143,863.21/x
  3. Step 3: Cross multiply
    251,231.55x = 346,759.14 × 143,863.21
  4. Step 4: Simplify right side
    251,231.55x = 49,885,882,977.24
  5. Step 5: Solve for x
    x = 49,885,882,977.24/251,231.55
  6. Step 6: Final answer
    x = 198,565.36

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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.