Home / 367,986.06-507,835.14-206,840.64

Finding the Fourth Proportional to 367,986.06, 507,835.14 and 206,840.64

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Solution

The fourth proportional to 367,986.06, 507,835.14 and 206,840.64 is: 285,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,986.06 : 507,835.14 = 206,840.64 : x
  2. Step 2: Convert to fraction form
    367,986.06/507,835.14 = 206,840.64/x
  3. Step 3: Cross multiply
    367,986.06x = 507,835.14 × 206,840.64
  4. Step 4: Simplify right side
    367,986.06x = 105,040,945,372.09
  5. Step 5: Solve for x
    x = 105,040,945,372.09/367,986.06
  6. Step 6: Final answer
    x = 285,448.16

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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.