Home / 263,627.83-395,175.43-103,815.91

Finding the Fourth Proportional to 263,627.83, 395,175.43 and 103,815.91

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Solution

The fourth proportional to 263,627.83, 395,175.43 and 103,815.91 is: 155,618.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,627.83 : 395,175.43 = 103,815.91 : x
  2. Step 2: Convert to fraction form
    263,627.83/395,175.43 = 103,815.91/x
  3. Step 3: Cross multiply
    263,627.83x = 395,175.43 × 103,815.91
  4. Step 4: Simplify right side
    263,627.83x = 41,025,496,875.09
  5. Step 5: Solve for x
    x = 41,025,496,875.09/263,627.83
  6. Step 6: Final answer
    x = 155,618.99

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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.