Home / 260,213.96-390,033.97-170,219.31

Finding the Fourth Proportional to 260,213.96, 390,033.97 and 170,219.31

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Solution

The fourth proportional to 260,213.96, 390,033.97 and 170,219.31 is: 255,141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,213.96 : 390,033.97 = 170,219.31 : x
  2. Step 2: Convert to fraction form
    260,213.96/390,033.97 = 170,219.31/x
  3. Step 3: Cross multiply
    260,213.96x = 390,033.97 × 170,219.31
  4. Step 4: Simplify right side
    260,213.96x = 66,391,313,249.96
  5. Step 5: Solve for x
    x = 66,391,313,249.96/260,213.96
  6. Step 6: Final answer
    x = 255,141.24

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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.