Home / 263,365.09-395,058.89-103,475.64

Finding the Fourth Proportional to 263,365.09, 395,058.89 and 103,475.64

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Solution

The fourth proportional to 263,365.09, 395,058.89 and 103,475.64 is: 155,217.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,365.09 : 395,058.89 = 103,475.64 : x
  2. Step 2: Convert to fraction form
    263,365.09/395,058.89 = 103,475.64/x
  3. Step 3: Cross multiply
    263,365.09x = 395,058.89 × 103,475.64
  4. Step 4: Simplify right side
    263,365.09x = 40,878,970,963.06
  5. Step 5: Solve for x
    x = 40,878,970,963.06/263,365.09
  6. Step 6: Final answer
    x = 155,217.88

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1.5x scale

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.