Home / 421,134.36-580,180.16-293,582.04

Finding the Fourth Proportional to 421,134.36, 580,180.16 and 293,582.04

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Solution

The fourth proportional to 421,134.36, 580,180.16 and 293,582.04 is: 404,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,134.36 : 580,180.16 = 293,582.04 : x
  2. Step 2: Convert to fraction form
    421,134.36/580,180.16 = 293,582.04/x
  3. Step 3: Cross multiply
    421,134.36x = 580,180.16 × 293,582.04
  4. Step 4: Simplify right side
    421,134.36x = 170,330,474,940.33
  5. Step 5: Solve for x
    x = 170,330,474,940.33/421,134.36
  6. Step 6: Final answer
    x = 404,456.37

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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.