Home / 331,721.53-496,852.93-274,142.87

Finding the Fourth Proportional to 331,721.53, 496,852.93 and 274,142.87

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Solution

The fourth proportional to 331,721.53, 496,852.93 and 274,142.87 is: 410,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,721.53 : 496,852.93 = 274,142.87 : x
  2. Step 2: Convert to fraction form
    331,721.53/496,852.93 = 274,142.87/x
  3. Step 3: Cross multiply
    331,721.53x = 496,852.93 × 274,142.87
  4. Step 4: Simplify right side
    331,721.53x = 136,208,688,198.11
  5. Step 5: Solve for x
    x = 136,208,688,198.11/331,721.53
  6. Step 6: Final answer
    x = 410,611.54

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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.