Home / 331,921.72-458,090.67-188,703.19

Finding the Fourth Proportional to 331,921.72, 458,090.67 and 188,703.19

Calculator

Solution

The fourth proportional to 331,921.72, 458,090.67 and 188,703.19 is: 260,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,921.72 : 458,090.67 = 188,703.19 : x
  2. Step 2: Convert to fraction form
    331,921.72/458,090.67 = 188,703.19/x
  3. Step 3: Cross multiply
    331,921.72x = 458,090.67 × 188,703.19
  4. Step 4: Simplify right side
    331,921.72x = 86,443,170,738.24
  5. Step 5: Solve for x
    x = 86,443,170,738.24/331,921.72
  6. Step 6: Final answer
    x = 260,432.40

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.