Home / 204,015.60-306,023.40-190,018.80

Finding the Fourth Proportional to 204,015.60, 306,023.40 and 190,018.80

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Solution

The fourth proportional to 204,015.60, 306,023.40 and 190,018.80 is: 285,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,015.60 : 306,023.40 = 190,018.80 : x
  2. Step 2: Convert to fraction form
    204,015.60/306,023.40 = 190,018.80/x
  3. Step 3: Cross multiply
    204,015.60x = 306,023.40 × 190,018.80
  4. Step 4: Simplify right side
    204,015.60x = 58,150,199,239.92
  5. Step 5: Solve for x
    x = 58,150,199,239.92/204,015.60
  6. Step 6: Final answer
    x = 285,028.20

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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.