Finding the Fourth Proportional to 373,378.53, 515,111.82 and 216,110.99
Calculator
Solution
The fourth proportional to 373,378.53, 515,111.82 and 216,110.99 is: 298,146.03
Step by Step Solution
- Step 1: Write the proportion equation
373,378.53 : 515,111.82 = 216,110.99 : x - Step 2: Convert to fraction form
373,378.53/515,111.82 = 216,110.99/x - Step 3: Cross multiply
373,378.53x = 515,111.82 × 216,110.99 - Step 4: Simplify right side
373,378.53x = 111,321,324,176.39 - Step 5: Solve for x
x = 111,321,324,176.39/373,378.53 - Step 6: Final answer
x = 298,146.03
Related Problems
Find fourth proportional to 186,689.26, 257,555.91 and 108,055.49
Half scale
Find fourth proportional to 746,757.06, 1,030,223.64 and 432,221.97
Double scale
Find fourth proportional to 373,379.53, 515,113.20 and 216,111.99
Similar ratio
Find fourth proportional to 560,067.79, 772,667.73 and 324,166.48
1.5x scale
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.