Home / 251,215.20-346,669.74-143,781.58

Finding the Fourth Proportional to 251,215.20, 346,669.74 and 143,781.58

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Solution

The fourth proportional to 251,215.20, 346,669.74 and 143,781.58 is: 198,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,215.20 : 346,669.74 = 143,781.58 : x
  2. Step 2: Convert to fraction form
    251,215.20/346,669.74 = 143,781.58/x
  3. Step 3: Cross multiply
    251,215.20x = 346,669.74 × 143,781.58
  4. Step 4: Simplify right side
    251,215.20x = 49,844,722,955.39
  5. Step 5: Solve for x
    x = 49,844,722,955.39/251,215.20
  6. Step 6: Final answer
    x = 198,414.44

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1.5x scale

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.