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Finding the Fourth Proportional to 260,041.80, 389,285.10 and 244,662.60

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Solution

The fourth proportional to 260,041.80, 389,285.10 and 244,662.60 is: 366,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,041.80 : 389,285.10 = 244,662.60 : x
  2. Step 2: Convert to fraction form
    260,041.80/389,285.10 = 244,662.60/x
  3. Step 3: Cross multiply
    260,041.80x = 389,285.10 × 244,662.60
  4. Step 4: Simplify right side
    260,041.80x = 95,243,504,707.26
  5. Step 5: Solve for x
    x = 95,243,504,707.26/260,041.80
  6. Step 6: Final answer
    x = 366,262.29

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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.