Home / 318,877.87-478,384.26-105,633.70

Finding the Fourth Proportional to 318,877.87, 478,384.26 and 105,633.70

Calculator

Solution

The fourth proportional to 318,877.87, 478,384.26 and 105,633.70 is: 158,472.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,877.87 : 478,384.26 = 105,633.70 : x
  2. Step 2: Convert to fraction form
    318,877.87/478,384.26 = 105,633.70/x
  3. Step 3: Cross multiply
    318,877.87x = 478,384.26 × 105,633.70
  4. Step 4: Simplify right side
    318,877.87x = 50,533,499,405.56
  5. Step 5: Solve for x
    x = 50,533,499,405.56/318,877.87
  6. Step 6: Final answer
    x = 158,472.90

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.