Home / 277,571.09-416,176.21-109,107.90

Finding the Fourth Proportional to 277,571.09, 416,176.21 and 109,107.90

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Solution

The fourth proportional to 277,571.09, 416,176.21 and 109,107.90 is: 163,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,571.09 : 416,176.21 = 109,107.90 : x
  2. Step 2: Convert to fraction form
    277,571.09/416,176.21 = 109,107.90/x
  3. Step 3: Cross multiply
    277,571.09x = 416,176.21 × 109,107.90
  4. Step 4: Simplify right side
    277,571.09x = 45,408,112,303.06
  5. Step 5: Solve for x
    x = 45,408,112,303.06/277,571.09
  6. Step 6: Final answer
    x = 163,590.93

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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.