Home / 381,829.80-526,982.60-274,754.28

Finding the Fourth Proportional to 381,829.80, 526,982.60 and 274,754.28

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Solution

The fourth proportional to 381,829.80, 526,982.60 and 274,754.28 is: 379,202.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,829.80 : 526,982.60 = 274,754.28 : x
  2. Step 2: Convert to fraction form
    381,829.80/526,982.60 = 274,754.28/x
  3. Step 3: Cross multiply
    381,829.80x = 526,982.60 × 274,754.28
  4. Step 4: Simplify right side
    381,829.80x = 144,790,724,835.53
  5. Step 5: Solve for x
    x = 144,790,724,835.53/381,829.80
  6. Step 6: Final answer
    x = 379,202.26

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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.