Home / 485,371.92-728,059.50-148,411.32

Finding the Fourth Proportional to 485,371.92, 728,059.50 and 148,411.32

Calculator

Solution

The fourth proportional to 485,371.92, 728,059.50 and 148,411.32 is: 222,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,371.92 : 728,059.50 = 148,411.32 : x
  2. Step 2: Convert to fraction form
    485,371.92/728,059.50 = 148,411.32/x
  3. Step 3: Cross multiply
    485,371.92x = 728,059.50 × 148,411.32
  4. Step 4: Simplify right side
    485,371.92x = 108,052,271,433.54
  5. Step 5: Solve for x
    x = 108,052,271,433.54/485,371.92
  6. Step 6: Final answer
    x = 222,617.48

Related Problems

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.