Home / 228,629.80-342,944.70-70,906.60

Finding the Fourth Proportional to 228,629.80, 342,944.70 and 70,906.60

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Solution

The fourth proportional to 228,629.80, 342,944.70 and 70,906.60 is: 106,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,629.80 : 342,944.70 = 70,906.60 : x
  2. Step 2: Convert to fraction form
    228,629.80/342,944.70 = 70,906.60/x
  3. Step 3: Cross multiply
    228,629.80x = 342,944.70 × 70,906.60
  4. Step 4: Simplify right side
    228,629.80x = 24,317,042,665.02
  5. Step 5: Solve for x
    x = 24,317,042,665.02/228,629.80
  6. Step 6: Final answer
    x = 106,359.90

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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.