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Finding the Fourth Proportional to 350,454.95, 483,627.44 and 189,309.96

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Solution

The fourth proportional to 350,454.95, 483,627.44 and 189,309.96 is: 261,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,454.95 : 483,627.44 = 189,309.96 : x
  2. Step 2: Convert to fraction form
    350,454.95/483,627.44 = 189,309.96/x
  3. Step 3: Cross multiply
    350,454.95x = 483,627.44 × 189,309.96
  4. Step 4: Simplify right side
    350,454.95x = 91,555,491,794.58
  5. Step 5: Solve for x
    x = 91,555,491,794.58/350,454.95
  6. Step 6: Final answer
    x = 261,247.54

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1.5x scale

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.