Finding the Fourth Proportional to 454,620.18, 681,905.51 and 139,077.09
Calculator
Solution
The fourth proportional to 454,620.18, 681,905.51 and 139,077.09 is: 208,608.06
Step by Step Solution
- Step 1: Write the proportion equation
454,620.18 : 681,905.51 = 139,077.09 : x - Step 2: Convert to fraction form
454,620.18/681,905.51 = 139,077.09/x - Step 3: Cross multiply
454,620.18x = 681,905.51 × 139,077.09 - Step 4: Simplify right side
454,620.18x = 94,837,433,290.38 - Step 5: Solve for x
x = 94,837,433,290.38/454,620.18 - Step 6: Final answer
x = 208,608.06
Related Problems
Find fourth proportional to 227,310.09, 340,952.75 and 69,538.55
Half scale
Find fourth proportional to 909,240.36, 1,363,811.01 and 278,154.18
Double scale
Find fourth proportional to 454,621.18, 681,907 and 139,078.09
Similar ratio
Find fourth proportional to 681,930.27, 1,022,858.26 and 208,615.64
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.