Home / 214,957.45-322,435.78-57,185.90

Finding the Fourth Proportional to 214,957.45, 322,435.78 and 57,185.90

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Solution

The fourth proportional to 214,957.45, 322,435.78 and 57,185.90 is: 85,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,957.45 : 322,435.78 = 57,185.90 : x
  2. Step 2: Convert to fraction form
    214,957.45/322,435.78 = 57,185.90/x
  3. Step 3: Cross multiply
    214,957.45x = 322,435.78 × 57,185.90
  4. Step 4: Simplify right side
    214,957.45x = 18,438,778,659.32
  5. Step 5: Solve for x
    x = 18,438,778,659.32/214,957.45
  6. Step 6: Final answer
    x = 85,778.74

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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.