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Finding the Fourth Proportional to 199,235.87, 298,900.52 and 79,300.08

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Solution

The fourth proportional to 199,235.87, 298,900.52 and 79,300.08 is: 118,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,235.87 : 298,900.52 = 79,300.08 : x
  2. Step 2: Convert to fraction form
    199,235.87/298,900.52 = 79,300.08/x
  3. Step 3: Cross multiply
    199,235.87x = 298,900.52 × 79,300.08
  4. Step 4: Simplify right side
    199,235.87x = 23,702,834,751.54
  5. Step 5: Solve for x
    x = 23,702,834,751.54/199,235.87
  6. Step 6: Final answer
    x = 118,968.71

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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.