Home / 277,961.45-383,584.05-155,452.46

Finding the Fourth Proportional to 277,961.45, 383,584.05 and 155,452.46

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Solution

The fourth proportional to 277,961.45, 383,584.05 and 155,452.46 is: 214,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,961.45 : 383,584.05 = 155,452.46 : x
  2. Step 2: Convert to fraction form
    277,961.45/383,584.05 = 155,452.46/x
  3. Step 3: Cross multiply
    277,961.45x = 383,584.05 × 155,452.46
  4. Step 4: Simplify right side
    277,961.45x = 59,629,082,271.34
  5. Step 5: Solve for x
    x = 59,629,082,271.34/277,961.45
  6. Step 6: Final answer
    x = 214,522.85

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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.