Home / 298,209.20-446,968.20-120,628.40

Finding the Fourth Proportional to 298,209.20, 446,968.20 and 120,628.40

Calculator

Solution

The fourth proportional to 298,209.20, 446,968.20 and 120,628.40 is: 180,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,209.20 : 446,968.20 = 120,628.40 : x
  2. Step 2: Convert to fraction form
    298,209.20/446,968.20 = 120,628.40/x
  3. Step 3: Cross multiply
    298,209.20x = 446,968.20 × 120,628.40
  4. Step 4: Simplify right side
    298,209.20x = 53,917,058,816.88
  5. Step 5: Solve for x
    x = 53,917,058,816.88/298,209.20
  6. Step 6: Final answer
    x = 180,802.80

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.