Home / 251,848.20-377,772.30-145,414.20

Finding the Fourth Proportional to 251,848.20, 377,772.30 and 145,414.20

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Solution

The fourth proportional to 251,848.20, 377,772.30 and 145,414.20 is: 218,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,848.20 : 377,772.30 = 145,414.20 : x
  2. Step 2: Convert to fraction form
    251,848.20/377,772.30 = 145,414.20/x
  3. Step 3: Cross multiply
    251,848.20x = 377,772.30 × 145,414.20
  4. Step 4: Simplify right side
    251,848.20x = 54,933,456,786.66
  5. Step 5: Solve for x
    x = 54,933,456,786.66/251,848.20
  6. Step 6: Final answer
    x = 218,121.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.