Home / 363,421.60-545,132.40-185,869.60

Finding the Fourth Proportional to 363,421.60, 545,132.40 and 185,869.60

Calculator

Solution

The fourth proportional to 363,421.60, 545,132.40 and 185,869.60 is: 278,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,421.60 : 545,132.40 = 185,869.60 : x
  2. Step 2: Convert to fraction form
    363,421.60/545,132.40 = 185,869.60/x
  3. Step 3: Cross multiply
    363,421.60x = 545,132.40 × 185,869.60
  4. Step 4: Simplify right side
    363,421.60x = 101,323,541,135.04
  5. Step 5: Solve for x
    x = 101,323,541,135.04/363,421.60
  6. Step 6: Final answer
    x = 278,804.40

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.