Home / 323,880.06-485,812.80-146,339.40

Finding the Fourth Proportional to 323,880.06, 485,812.80 and 146,339.40

Calculator

Solution

The fourth proportional to 323,880.06, 485,812.80 and 146,339.40 is: 219,505.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,880.06 : 485,812.80 = 146,339.40 : x
  2. Step 2: Convert to fraction form
    323,880.06/485,812.80 = 146,339.40/x
  3. Step 3: Cross multiply
    323,880.06x = 485,812.80 × 146,339.40
  4. Step 4: Simplify right side
    323,880.06x = 71,093,553,664.32
  5. Step 5: Solve for x
    x = 71,093,553,664.32/323,880.06
  6. Step 6: Final answer
    x = 219,505.81

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.