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Finding the Fourth Proportional to 254,268.60, 381,840.30 and 179,910.60

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Solution

The fourth proportional to 254,268.60, 381,840.30 and 179,910.60 is: 270,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,268.60 : 381,840.30 = 179,910.60 : x
  2. Step 2: Convert to fraction form
    254,268.60/381,840.30 = 179,910.60/x
  3. Step 3: Cross multiply
    254,268.60x = 381,840.30 × 179,910.60
  4. Step 4: Simplify right side
    254,268.60x = 68,697,117,477.18
  5. Step 5: Solve for x
    x = 68,697,117,477.18/254,268.60
  6. Step 6: Final answer
    x = 270,175.39

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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.