Finding the Fourth Proportional to 273,940.58, 411,003.16 and 172,620.99
Calculator
Solution
The fourth proportional to 273,940.58, 411,003.16 and 172,620.99 is: 258,989.64
Step by Step Solution
- Step 1: Write the proportion equation
273,940.58 : 411,003.16 = 172,620.99 : x - Step 2: Convert to fraction form
273,940.58/411,003.16 = 172,620.99/x - Step 3: Cross multiply
273,940.58x = 411,003.16 × 172,620.99 - Step 4: Simplify right side
273,940.58x = 70,947,771,940.78 - Step 5: Solve for x
x = 70,947,771,940.78/273,940.58 - Step 6: Final answer
x = 258,989.64
Related Problems
Find fourth proportional to 136,970.29, 205,501.58 and 86,310.50
Half scale
Find fourth proportional to 547,881.17, 822,006.32 and 345,241.98
Double scale
Find fourth proportional to 273,941.58, 411,004.66 and 172,621.99
Similar ratio
Find fourth proportional to 410,910.87, 616,504.74 and 258,931.49
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.