Finding the Fourth Proportional to 277,178.20, 415,961.70 and 177,580.60
Calculator
Solution
The fourth proportional to 277,178.20, 415,961.70 and 177,580.60 is: 266,495.45
Step by Step Solution
- Step 1: Write the proportion equation
277,178.20 : 415,961.70 = 177,580.60 : x - Step 2: Convert to fraction form
277,178.20/415,961.70 = 177,580.60/x - Step 3: Cross multiply
277,178.20x = 415,961.70 × 177,580.60 - Step 4: Simplify right side
277,178.20x = 73,866,728,263.02 - Step 5: Solve for x
x = 73,866,728,263.02/277,178.20 - Step 6: Final answer
x = 266,495.45
Related Problems
Find fourth proportional to 138,589.10, 207,980.85 and 88,790.30
Half scale
Find fourth proportional to 554,356.40, 831,923.40 and 355,161.20
Double scale
Find fourth proportional to 277,179.20, 415,963.20 and 177,581.60
Similar ratio
Find fourth proportional to 415,767.30, 623,942.55 and 266,370.90
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.