Home / 215,345.56-322,993.68-57,586.30

Finding the Fourth Proportional to 215,345.56, 322,993.68 and 57,586.30

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Solution

The fourth proportional to 215,345.56, 322,993.68 and 57,586.30 is: 86,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,345.56 : 322,993.68 = 57,586.30 : x
  2. Step 2: Convert to fraction form
    215,345.56/322,993.68 = 57,586.30/x
  3. Step 3: Cross multiply
    215,345.56x = 322,993.68 × 57,586.30
  4. Step 4: Simplify right side
    215,345.56x = 18,600,010,954.58
  5. Step 5: Solve for x
    x = 18,600,010,954.58/215,345.56
  6. Step 6: Final answer
    x = 86,372.86

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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.