Home / 251,216.51-346,658.58-143,761.91

Finding the Fourth Proportional to 251,216.51, 346,658.58 and 143,761.91

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Solution

The fourth proportional to 251,216.51, 346,658.58 and 143,761.91 is: 198,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,216.51 : 346,658.58 = 143,761.91 : x
  2. Step 2: Convert to fraction form
    251,216.51/346,658.58 = 143,761.91/x
  3. Step 3: Cross multiply
    251,216.51x = 346,658.58 × 143,761.91
  4. Step 4: Simplify right side
    251,216.51x = 49,836,297,845.39
  5. Step 5: Solve for x
    x = 49,836,297,845.39/251,216.51
  6. Step 6: Final answer
    x = 198,379.87

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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.