Home / 304,940.56-420,827.19-168,961.78

Finding the Fourth Proportional to 304,940.56, 420,827.19 and 168,961.78

Calculator

Solution

The fourth proportional to 304,940.56, 420,827.19 and 168,961.78 is: 233,172.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,940.56 : 420,827.19 = 168,961.78 : x
  2. Step 2: Convert to fraction form
    304,940.56/420,827.19 = 168,961.78/x
  3. Step 3: Cross multiply
    304,940.56x = 420,827.19 × 168,961.78
  4. Step 4: Simplify right side
    304,940.56x = 71,103,711,094.80
  5. Step 5: Solve for x
    x = 71,103,711,094.80/304,940.56
  6. Step 6: Final answer
    x = 233,172.36

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.