Home / 404,215.44-606,156.12-137,997.36

Finding the Fourth Proportional to 404,215.44, 606,156.12 and 137,997.36

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Solution

The fourth proportional to 404,215.44, 606,156.12 and 137,997.36 is: 206,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,215.44 : 606,156.12 = 137,997.36 : x
  2. Step 2: Convert to fraction form
    404,215.44/606,156.12 = 137,997.36/x
  3. Step 3: Cross multiply
    404,215.44x = 606,156.12 × 137,997.36
  4. Step 4: Simplify right side
    404,215.44x = 83,647,944,307.84
  5. Step 5: Solve for x
    x = 83,647,944,307.84/404,215.44
  6. Step 6: Final answer
    x = 206,939.01

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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.