Home / 251,398.10-346,830.60-143,910.26

Finding the Fourth Proportional to 251,398.10, 346,830.60 and 143,910.26

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Solution

The fourth proportional to 251,398.10, 346,830.60 and 143,910.26 is: 198,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,398.10 : 346,830.60 = 143,910.26 : x
  2. Step 2: Convert to fraction form
    251,398.10/346,830.60 = 143,910.26/x
  3. Step 3: Cross multiply
    251,398.10x = 346,830.60 × 143,910.26
  4. Step 4: Simplify right side
    251,398.10x = 49,912,481,821.96
  5. Step 5: Solve for x
    x = 49,912,481,821.96/251,398.10
  6. Step 6: Final answer
    x = 198,539.61

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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.