Home / 277,834.20-416,945.70-120,175.80

Finding the Fourth Proportional to 277,834.20, 416,945.70 and 120,175.80

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Solution

The fourth proportional to 277,834.20, 416,945.70 and 120,175.80 is: 180,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,834.20 : 416,945.70 = 120,175.80 : x
  2. Step 2: Convert to fraction form
    277,834.20/416,945.70 = 120,175.80/x
  3. Step 3: Cross multiply
    277,834.20x = 416,945.70 × 120,175.80
  4. Step 4: Simplify right side
    277,834.20x = 50,106,783,054.06
  5. Step 5: Solve for x
    x = 50,106,783,054.06/277,834.20
  6. Step 6: Final answer
    x = 180,347.79

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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.