Home / 312,786.36-431,644.74-169,546.37

Finding the Fourth Proportional to 312,786.36, 431,644.74 and 169,546.37

Calculator

Solution

The fourth proportional to 312,786.36, 431,644.74 and 169,546.37 is: 233,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,786.36 : 431,644.74 = 169,546.37 : x
  2. Step 2: Convert to fraction form
    312,786.36/431,644.74 = 169,546.37/x
  3. Step 3: Cross multiply
    312,786.36x = 431,644.74 × 169,546.37
  4. Step 4: Simplify right side
    312,786.36x = 73,183,796,638.37
  5. Step 5: Solve for x
    x = 73,183,796,638.37/312,786.36
  6. Step 6: Final answer
    x = 233,973.75

Related Problems

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.