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Finding the Fourth Proportional to 350,409.60, 483,615.36 and 199,520.64

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Solution

The fourth proportional to 350,409.60, 483,615.36 and 199,520.64 is: 275,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,409.60 : 483,615.36 = 199,520.64 : x
  2. Step 2: Convert to fraction form
    350,409.60/483,615.36 = 199,520.64/x
  3. Step 3: Cross multiply
    350,409.60x = 483,615.36 × 199,520.64
  4. Step 4: Simplify right side
    350,409.60x = 96,491,246,141.03
  5. Step 5: Solve for x
    x = 96,491,246,141.03/350,409.60
  6. Step 6: Final answer
    x = 275,367.02

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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.