Home / 260,322.72-390,484.08-135,906.72

Finding the Fourth Proportional to 260,322.72, 390,484.08 and 135,906.72

Calculator

Solution

The fourth proportional to 260,322.72, 390,484.08 and 135,906.72 is: 203,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,322.72 : 390,484.08 = 135,906.72 : x
  2. Step 2: Convert to fraction form
    260,322.72/390,484.08 = 135,906.72/x
  3. Step 3: Cross multiply
    260,322.72x = 390,484.08 × 135,906.72
  4. Step 4: Simplify right side
    260,322.72x = 53,069,410,525.02
  5. Step 5: Solve for x
    x = 53,069,410,525.02/260,322.72
  6. Step 6: Final answer
    x = 203,860.08

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.