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Finding the Fourth Proportional to 350,513.37, 483,707.85 and 189,367.92

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Solution

The fourth proportional to 350,513.37, 483,707.85 and 189,367.92 is: 261,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,513.37 : 483,707.85 = 189,367.92 : x
  2. Step 2: Convert to fraction form
    350,513.37/483,707.85 = 189,367.92/x
  3. Step 3: Cross multiply
    350,513.37x = 483,707.85 × 189,367.92
  4. Step 4: Simplify right side
    350,513.37x = 91,598,749,442.17
  5. Step 5: Solve for x
    x = 91,598,749,442.17/350,513.37
  6. Step 6: Final answer
    x = 261,327.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.