Home / 260,420.74-390,596.55-73,447.30

Finding the Fourth Proportional to 260,420.74, 390,596.55 and 73,447.30

Calculator

Solution

The fourth proportional to 260,420.74, 390,596.55 and 73,447.30 is: 110,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,420.74 : 390,596.55 = 73,447.30 : x
  2. Step 2: Convert to fraction form
    260,420.74/390,596.55 = 73,447.30/x
  3. Step 3: Cross multiply
    260,420.74x = 390,596.55 × 73,447.30
  4. Step 4: Simplify right side
    260,420.74x = 28,688,261,986.82
  5. Step 5: Solve for x
    x = 28,688,261,986.82/260,420.74
  6. Step 6: Final answer
    x = 110,161.20

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.