Home / 263,541.43-395,385.95-105,880.60

Finding the Fourth Proportional to 263,541.43, 395,385.95 and 105,880.60

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Solution

The fourth proportional to 263,541.43, 395,385.95 and 105,880.60 is: 158,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,541.43 : 395,385.95 = 105,880.60 : x
  2. Step 2: Convert to fraction form
    263,541.43/395,385.95 = 105,880.60/x
  3. Step 3: Cross multiply
    263,541.43x = 395,385.95 × 105,880.60
  4. Step 4: Simplify right side
    263,541.43x = 41,863,701,617.57
  5. Step 5: Solve for x
    x = 41,863,701,617.57/263,541.43
  6. Step 6: Final answer
    x = 158,850.55

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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.