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Finding the Fourth Proportional to 170,249.60, 254,985.60 and 100,265.60

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Solution

The fourth proportional to 170,249.60, 254,985.60 and 100,265.60 is: 150,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,249.60 : 254,985.60 = 100,265.60 : x
  2. Step 2: Convert to fraction form
    170,249.60/254,985.60 = 100,265.60/x
  3. Step 3: Cross multiply
    170,249.60x = 254,985.60 × 100,265.60
  4. Step 4: Simplify right side
    170,249.60x = 25,566,284,175.36
  5. Step 5: Solve for x
    x = 25,566,284,175.36/170,249.60
  6. Step 6: Final answer
    x = 150,169.42

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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.