Home / 251,198.48-346,633.80-143,743.88

Finding the Fourth Proportional to 251,198.48, 346,633.80 and 143,743.88

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Solution

The fourth proportional to 251,198.48, 346,633.80 and 143,743.88 is: 198,355.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,198.48 : 346,633.80 = 143,743.88 : x
  2. Step 2: Convert to fraction form
    251,198.48/346,633.80 = 143,743.88/x
  3. Step 3: Cross multiply
    251,198.48x = 346,633.80 × 143,743.88
  4. Step 4: Simplify right side
    251,198.48x = 49,826,487,678.69
  5. Step 5: Solve for x
    x = 49,826,487,678.69/251,198.48
  6. Step 6: Final answer
    x = 198,355.05

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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.