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Finding the Fourth Proportional to 260,619, 359,651.79 and 147,441.75

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Solution

The fourth proportional to 260,619, 359,651.79 and 147,441.75 is: 203,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,619 : 359,651.79 = 147,441.75 : x
  2. Step 2: Convert to fraction form
    260,619/359,651.79 = 147,441.75/x
  3. Step 3: Cross multiply
    260,619x = 359,651.79 × 147,441.75
  4. Step 4: Simplify right side
    260,619x = 53,027,689,308.23
  5. Step 5: Solve for x
    x = 53,027,689,308.23/260,619
  6. Step 6: Final answer
    x = 203,468.24

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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.