Home / 263,878.37-395,667.60-103,867.58

Finding the Fourth Proportional to 263,878.37, 395,667.60 and 103,867.58

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Solution

The fourth proportional to 263,878.37, 395,667.60 and 103,867.58 is: 155,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,878.37 : 395,667.60 = 103,867.58 : x
  2. Step 2: Convert to fraction form
    263,878.37/395,667.60 = 103,867.58/x
  3. Step 3: Cross multiply
    263,878.37x = 395,667.60 × 103,867.58
  4. Step 4: Simplify right side
    263,878.37x = 41,097,037,345.25
  5. Step 5: Solve for x
    x = 41,097,037,345.25/263,878.37
  6. Step 6: Final answer
    x = 155,742.35

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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.