Home / 263,725.48-395,581.74-76,738.60

Finding the Fourth Proportional to 263,725.48, 395,581.74 and 76,738.60

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Solution

The fourth proportional to 263,725.48, 395,581.74 and 76,738.60 is: 115,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,725.48 : 395,581.74 = 76,738.60 : x
  2. Step 2: Convert to fraction form
    263,725.48/395,581.74 = 76,738.60/x
  3. Step 3: Cross multiply
    263,725.48x = 395,581.74 × 76,738.60
  4. Step 4: Simplify right side
    263,725.48x = 30,356,388,913.16
  5. Step 5: Solve for x
    x = 30,356,388,913.16/263,725.48
  6. Step 6: Final answer
    x = 115,106.01

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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.