Home / 214,985.10-322,480.35-57,212.58

Finding the Fourth Proportional to 214,985.10, 322,480.35 and 57,212.58

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Solution

The fourth proportional to 214,985.10, 322,480.35 and 57,212.58 is: 85,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,985.10 : 322,480.35 = 57,212.58 : x
  2. Step 2: Convert to fraction form
    214,985.10/322,480.35 = 57,212.58/x
  3. Step 3: Cross multiply
    214,985.10x = 322,480.35 × 57,212.58
  4. Step 4: Simplify right side
    214,985.10x = 18,449,932,822.80
  5. Step 5: Solve for x
    x = 18,449,932,822.80/214,985.10
  6. Step 6: Final answer
    x = 85,819.59

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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.