Home / 298,077.40-447,021.25-98,360.56

Finding the Fourth Proportional to 298,077.40, 447,021.25 and 98,360.56

Calculator

Solution

The fourth proportional to 298,077.40, 447,021.25 and 98,360.56 is: 147,509.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,077.40 : 447,021.25 = 98,360.56 : x
  2. Step 2: Convert to fraction form
    298,077.40/447,021.25 = 98,360.56/x
  3. Step 3: Cross multiply
    298,077.40x = 447,021.25 × 98,360.56
  4. Step 4: Simplify right side
    298,077.40x = 43,969,260,481.90
  5. Step 5: Solve for x
    x = 43,969,260,481.90/298,077.40
  6. Step 6: Final answer
    x = 147,509.54

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.