Finding the Fourth Proportional to 367,107.20, 550,660.80 and 255,132.80
Calculator
Solution
The fourth proportional to 367,107.20, 550,660.80 and 255,132.80 is: 382,699.20
Step by Step Solution
- Step 1: Write the proportion equation
367,107.20 : 550,660.80 = 255,132.80 : x - Step 2: Convert to fraction form
367,107.20/550,660.80 = 255,132.80/x - Step 3: Cross multiply
367,107.20x = 550,660.80 × 255,132.80 - Step 4: Simplify right side
367,107.20x = 140,491,631,754.24 - Step 5: Solve for x
x = 140,491,631,754.24/367,107.20 - Step 6: Final answer
x = 382,699.20
Related Problems
Find fourth proportional to 183,553.60, 275,330.40 and 127,566.40
Half scale
Find fourth proportional to 734,214.40, 1,101,321.60 and 510,265.60
Double scale
Find fourth proportional to 367,108.20, 550,662.30 and 255,133.80
Similar ratio
Find fourth proportional to 550,660.80, 825,991.20 and 382,699.20
1.5x scale
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.