Home / 204,686.48-307,008.12-54,942.32

Finding the Fourth Proportional to 204,686.48, 307,008.12 and 54,942.32

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Solution

The fourth proportional to 204,686.48, 307,008.12 and 54,942.32 is: 82,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,686.48 : 307,008.12 = 54,942.32 : x
  2. Step 2: Convert to fraction form
    204,686.48/307,008.12 = 54,942.32/x
  3. Step 3: Cross multiply
    204,686.48x = 307,008.12 × 54,942.32
  4. Step 4: Simplify right side
    204,686.48x = 16,867,738,371.64
  5. Step 5: Solve for x
    x = 16,867,738,371.64/204,686.48
  6. Step 6: Final answer
    x = 82,407.68

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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.