Home / 420,940.69-631,660.13-154,888.03

Finding the Fourth Proportional to 420,940.69, 631,660.13 and 154,888.03

Calculator

Solution

The fourth proportional to 420,940.69, 631,660.13 and 154,888.03 is: 232,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,940.69 : 631,660.13 = 154,888.03 : x
  2. Step 2: Convert to fraction form
    420,940.69/631,660.13 = 154,888.03/x
  3. Step 3: Cross multiply
    420,940.69x = 631,660.13 × 154,888.03
  4. Step 4: Simplify right side
    420,940.69x = 97,836,593,165.24
  5. Step 5: Solve for x
    x = 97,836,593,165.24/420,940.69
  6. Step 6: Final answer
    x = 232,423.70

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.