Home / 277,570.09-416,174.71-109,106.90

Finding the Fourth Proportional to 277,570.09, 416,174.71 and 109,106.90

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Solution

The fourth proportional to 277,570.09, 416,174.71 and 109,106.90 is: 163,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,570.09 : 416,174.71 = 109,106.90 : x
  2. Step 2: Convert to fraction form
    277,570.09/416,174.71 = 109,106.90/x
  3. Step 3: Cross multiply
    277,570.09x = 416,174.71 × 109,106.90
  4. Step 4: Simplify right side
    277,570.09x = 45,407,533,355.44
  5. Step 5: Solve for x
    x = 45,407,533,355.44/277,570.09
  6. Step 6: Final answer
    x = 163,589.43

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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.