Home / 277,629.70-416,615.86-109,120.42

Finding the Fourth Proportional to 277,629.70, 416,615.86 and 109,120.42

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Solution

The fourth proportional to 277,629.70, 416,615.86 and 109,120.42 is: 163,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,629.70 : 416,615.86 = 109,120.42 : x
  2. Step 2: Convert to fraction form
    277,629.70/416,615.86 = 109,120.42/x
  3. Step 3: Cross multiply
    277,629.70x = 416,615.86 × 109,120.42
  4. Step 4: Simplify right side
    277,629.70x = 45,461,297,621.86
  5. Step 5: Solve for x
    x = 45,461,297,621.86/277,629.70
  6. Step 6: Final answer
    x = 163,747.96

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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.