Home / 254,491.20-381,736.80-228,247.20

Finding the Fourth Proportional to 254,491.20, 381,736.80 and 228,247.20

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Solution

The fourth proportional to 254,491.20, 381,736.80 and 228,247.20 is: 342,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,491.20 : 381,736.80 = 228,247.20 : x
  2. Step 2: Convert to fraction form
    254,491.20/381,736.80 = 228,247.20/x
  3. Step 3: Cross multiply
    254,491.20x = 381,736.80 × 228,247.20
  4. Step 4: Simplify right side
    254,491.20x = 87,130,355,736.96
  5. Step 5: Solve for x
    x = 87,130,355,736.96/254,491.20
  6. Step 6: Final answer
    x = 342,370.80

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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.