Home / 263,980.44-364,291.86-143,121.36

Finding the Fourth Proportional to 263,980.44, 364,291.86 and 143,121.36

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Solution

The fourth proportional to 263,980.44, 364,291.86 and 143,121.36 is: 197,506.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,980.44 : 364,291.86 = 143,121.36 : x
  2. Step 2: Convert to fraction form
    263,980.44/364,291.86 = 143,121.36/x
  3. Step 3: Cross multiply
    263,980.44x = 364,291.86 × 143,121.36
  4. Step 4: Simplify right side
    263,980.44x = 52,137,946,440.13
  5. Step 5: Solve for x
    x = 52,137,946,440.13/263,980.44
  6. Step 6: Final answer
    x = 197,506.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.