Home / 327,619.40-491,429.10-161,731.40

Finding the Fourth Proportional to 327,619.40, 491,429.10 and 161,731.40

Calculator

Solution

The fourth proportional to 327,619.40, 491,429.10 and 161,731.40 is: 242,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,619.40 : 491,429.10 = 161,731.40 : x
  2. Step 2: Convert to fraction form
    327,619.40/491,429.10 = 161,731.40/x
  3. Step 3: Cross multiply
    327,619.40x = 491,429.10 × 161,731.40
  4. Step 4: Simplify right side
    327,619.40x = 79,479,516,343.74
  5. Step 5: Solve for x
    x = 79,479,516,343.74/327,619.40
  6. Step 6: Final answer
    x = 242,597.10

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.