Finding the Fourth Proportional to 244,340.80, 366,511.20 and 86,585.20
Calculator
Solution
The fourth proportional to 244,340.80, 366,511.20 and 86,585.20 is: 129,877.80
Step by Step Solution
- Step 1: Write the proportion equation
244,340.80 : 366,511.20 = 86,585.20 : x - Step 2: Convert to fraction form
244,340.80/366,511.20 = 86,585.20/x - Step 3: Cross multiply
244,340.80x = 366,511.20 × 86,585.20 - Step 4: Simplify right side
244,340.80x = 31,734,445,554.24 - Step 5: Solve for x
x = 31,734,445,554.24/244,340.80 - Step 6: Final answer
x = 129,877.80
Related Problems
Find fourth proportional to 122,170.40, 183,255.60 and 43,292.60
Half scale
Find fourth proportional to 488,681.60, 733,022.40 and 173,170.40
Double scale
Find fourth proportional to 244,341.80, 366,512.70 and 86,586.20
Similar ratio
Find fourth proportional to 366,511.20, 549,766.80 and 129,877.80
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.