Home / 341,720.40-512,580.60-199,419.60

Finding the Fourth Proportional to 341,720.40, 512,580.60 and 199,419.60

Calculator

Solution

The fourth proportional to 341,720.40, 512,580.60 and 199,419.60 is: 299,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,720.40 : 512,580.60 = 199,419.60 : x
  2. Step 2: Convert to fraction form
    341,720.40/512,580.60 = 199,419.60/x
  3. Step 3: Cross multiply
    341,720.40x = 512,580.60 × 199,419.60
  4. Step 4: Simplify right side
    341,720.40x = 102,218,618,219.76
  5. Step 5: Solve for x
    x = 102,218,618,219.76/341,720.40
  6. Step 6: Final answer
    x = 299,129.40

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.