Home / 251,422.80-346,962.33-138,245.28

Finding the Fourth Proportional to 251,422.80, 346,962.33 and 138,245.28

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Solution

The fourth proportional to 251,422.80, 346,962.33 and 138,245.28 is: 190,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,422.80 : 346,962.33 = 138,245.28 : x
  2. Step 2: Convert to fraction form
    251,422.80/346,962.33 = 138,245.28/x
  3. Step 3: Cross multiply
    251,422.80x = 346,962.33 × 138,245.28
  4. Step 4: Simplify right side
    251,422.80x = 47,965,904,460.30
  5. Step 5: Solve for x
    x = 47,965,904,460.30/251,422.80
  6. Step 6: Final answer
    x = 190,777.86

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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.