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Finding the Fourth Proportional to 351,452.82, 526,674.39 and 199,770.42

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Solution

The fourth proportional to 351,452.82, 526,674.39 and 199,770.42 is: 299,368.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,452.82 : 526,674.39 = 199,770.42 : x
  2. Step 2: Convert to fraction form
    351,452.82/526,674.39 = 199,770.42/x
  3. Step 3: Cross multiply
    351,452.82x = 526,674.39 × 199,770.42
  4. Step 4: Simplify right side
    351,452.82x = 105,213,964,093.54
  5. Step 5: Solve for x
    x = 105,213,964,093.54/351,452.82
  6. Step 6: Final answer
    x = 299,368.67

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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.