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Finding the Fourth Proportional to 260,131.60, 389,333.40 and 188,851.60

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Solution

The fourth proportional to 260,131.60, 389,333.40 and 188,851.60 is: 282,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,131.60 : 389,333.40 = 188,851.60 : x
  2. Step 2: Convert to fraction form
    260,131.60/389,333.40 = 188,851.60/x
  3. Step 3: Cross multiply
    260,131.60x = 389,333.40 × 188,851.60
  4. Step 4: Simplify right side
    260,131.60x = 73,526,235,523.44
  5. Step 5: Solve for x
    x = 73,526,235,523.44/260,131.60
  6. Step 6: Final answer
    x = 282,650.15

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1.5x scale

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.