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Finding the Fourth Proportional to 245,094.11, 367,956 and 188,969.87

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Solution

The fourth proportional to 245,094.11, 367,956 and 188,969.87 is: 283,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,094.11 : 367,956 = 188,969.87 : x
  2. Step 2: Convert to fraction form
    245,094.11/367,956 = 188,969.87/x
  3. Step 3: Cross multiply
    245,094.11x = 367,956 × 188,969.87
  4. Step 4: Simplify right side
    245,094.11x = 69,532,595,645.94
  5. Step 5: Solve for x
    x = 69,532,595,645.94/245,094.11
  6. Step 6: Final answer
    x = 283,697.54

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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.