Home / 938,198.76-1,407,298.55-228,222.42

Finding the Fourth Proportional to 938,198.76, 1,407,298.55 and 228,222.42

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Solution

The fourth proportional to 938,198.76, 1,407,298.55 and 228,222.42 is: 342,333.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,198.76 : 1,407,298.55 = 228,222.42 : x
  2. Step 2: Convert to fraction form
    938,198.76/1,407,298.55 = 228,222.42/x
  3. Step 3: Cross multiply
    938,198.76x = 1,407,298.55 × 228,222.42
  4. Step 4: Simplify right side
    938,198.76x = 321,177,079,602.38
  5. Step 5: Solve for x
    x = 321,177,079,602.38/938,198.76
  6. Step 6: Final answer
    x = 342,333.73

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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.