Finding the Fourth Proportional to 269,945.40, 372,527.61 and 155,280.99
Calculator
Solution
The fourth proportional to 269,945.40, 372,527.61 and 155,280.99 is: 214,289.47
Step by Step Solution
- Step 1: Write the proportion equation
269,945.40 : 372,527.61 = 155,280.99 : x - Step 2: Convert to fraction form
269,945.40/372,527.61 = 155,280.99/x - Step 3: Cross multiply
269,945.40x = 372,527.61 × 155,280.99 - Step 4: Simplify right side
269,945.40x = 57,846,456,083.13 - Step 5: Solve for x
x = 57,846,456,083.13/269,945.40 - Step 6: Final answer
x = 214,289.47
Related Problems
Find fourth proportional to 134,972.70, 186,263.81 and 77,640.50
Half scale
Find fourth proportional to 539,890.80, 745,055.22 and 310,561.98
Double scale
Find fourth proportional to 269,946.40, 372,528.99 and 155,281.99
Similar ratio
Find fourth proportional to 404,918.10, 558,791.42 and 232,921.49
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.