Finding the Fourth Proportional to 416,257.75, 624,485.04 and 135,775
Calculator
Solution
The fourth proportional to 416,257.75, 624,485.04 and 135,775 is: 203,694.60
Step by Step Solution
- Step 1: Write the proportion equation
416,257.75 : 624,485.04 = 135,775 : x - Step 2: Convert to fraction form
416,257.75/624,485.04 = 135,775/x - Step 3: Cross multiply
416,257.75x = 624,485.04 × 135,775 - Step 4: Simplify right side
416,257.75x = 84,789,456,306 - Step 5: Solve for x
x = 84,789,456,306/416,257.75 - Step 6: Final answer
x = 203,694.60
Related Problems
Find fourth proportional to 208,128.88, 312,242.52 and 67,887.50
Half scale
Find fourth proportional to 832,515.50, 1,248,970.08 and 271,550
Double scale
Find fourth proportional to 416,258.75, 624,486.54 and 135,776
Similar ratio
Find fourth proportional to 624,386.63, 936,727.56 and 203,662.50
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.