Finding the Fourth Proportional to 273,205.80, 409,808.70 and 155,107.80
Calculator
Solution
The fourth proportional to 273,205.80, 409,808.70 and 155,107.80 is: 232,661.70
Step by Step Solution
- Step 1: Write the proportion equation
273,205.80 : 409,808.70 = 155,107.80 : x - Step 2: Convert to fraction form
273,205.80/409,808.70 = 155,107.80/x - Step 3: Cross multiply
273,205.80x = 409,808.70 × 155,107.80 - Step 4: Simplify right side
273,205.80x = 63,564,525,877.86 - Step 5: Solve for x
x = 63,564,525,877.86/273,205.80 - Step 6: Final answer
x = 232,661.70
Related Problems
Find fourth proportional to 136,602.90, 204,904.35 and 77,553.90
Half scale
Find fourth proportional to 546,411.60, 819,617.40 and 310,215.60
Double scale
Find fourth proportional to 273,206.80, 409,810.20 and 155,108.80
Similar ratio
Find fourth proportional to 409,808.70, 614,713.05 and 232,661.70
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.