Home / 228,204.20-342,014.70-109,620.20

Finding the Fourth Proportional to 228,204.20, 342,014.70 and 109,620.20

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Solution

The fourth proportional to 228,204.20, 342,014.70 and 109,620.20 is: 164,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,204.20 : 342,014.70 = 109,620.20 : x
  2. Step 2: Convert to fraction form
    228,204.20/342,014.70 = 109,620.20/x
  3. Step 3: Cross multiply
    228,204.20x = 342,014.70 × 109,620.20
  4. Step 4: Simplify right side
    228,204.20x = 37,491,719,816.94
  5. Step 5: Solve for x
    x = 37,491,719,816.94/228,204.20
  6. Step 6: Final answer
    x = 164,290.23

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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.