Home / 351,709.82-485,295.64-196,663.90

Finding the Fourth Proportional to 351,709.82, 485,295.64 and 196,663.90

Calculator

Solution

The fourth proportional to 351,709.82, 485,295.64 and 196,663.90 is: 271,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,709.82 : 485,295.64 = 196,663.90 : x
  2. Step 2: Convert to fraction form
    351,709.82/485,295.64 = 196,663.90/x
  3. Step 3: Cross multiply
    351,709.82x = 485,295.64 × 196,663.90
  4. Step 4: Simplify right side
    351,709.82x = 95,440,133,215.40
  5. Step 5: Solve for x
    x = 95,440,133,215.40/351,709.82
  6. Step 6: Final answer
    x = 271,360.44

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.