Home / 404,139.92-557,687.30-222,853.02

Finding the Fourth Proportional to 404,139.92, 557,687.30 and 222,853.02

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Solution

The fourth proportional to 404,139.92, 557,687.30 and 222,853.02 is: 307,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,139.92 : 557,687.30 = 222,853.02 : x
  2. Step 2: Convert to fraction form
    404,139.92/557,687.30 = 222,853.02/x
  3. Step 3: Cross multiply
    404,139.92x = 557,687.30 × 222,853.02
  4. Step 4: Simplify right side
    404,139.92x = 124,282,299,020.65
  5. Step 5: Solve for x
    x = 124,282,299,020.65/404,139.92
  6. Step 6: Final answer
    x = 307,522.95

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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.