Home / 281,013.06-421,816.62-274,667.10

Finding the Fourth Proportional to 281,013.06, 421,816.62 and 274,667.10

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Solution

The fourth proportional to 281,013.06, 421,816.62 and 274,667.10 is: 412,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,013.06 : 421,816.62 = 274,667.10 : x
  2. Step 2: Convert to fraction form
    281,013.06/421,816.62 = 274,667.10/x
  3. Step 3: Cross multiply
    281,013.06x = 421,816.62 × 274,667.10
  4. Step 4: Simplify right side
    281,013.06x = 115,859,147,747.20
  5. Step 5: Solve for x
    x = 115,859,147,747.20/281,013.06
  6. Step 6: Final answer
    x = 412,290.97

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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.