Home / 280,971.26-421,013.01-228,122.54

Finding the Fourth Proportional to 280,971.26, 421,013.01 and 228,122.54

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Solution

The fourth proportional to 280,971.26, 421,013.01 and 228,122.54 is: 341,823.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,971.26 : 421,013.01 = 228,122.54 : x
  2. Step 2: Convert to fraction form
    280,971.26/421,013.01 = 228,122.54/x
  3. Step 3: Cross multiply
    280,971.26x = 421,013.01 × 228,122.54
  4. Step 4: Simplify right side
    280,971.26x = 96,042,557,214.25
  5. Step 5: Solve for x
    x = 96,042,557,214.25/280,971.26
  6. Step 6: Final answer
    x = 341,823.42

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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.