Finding the Fourth Proportional to 269,178.97, 403,156.40 and 208,723.00
Calculator
Solution
The fourth proportional to 269,178.97, 403,156.40 and 208,723.00 is: 312,609.90
Step by Step Solution
- Step 1: Write the proportion equation
269,178.97 : 403,156.40 = 208,723.00 : x - Step 2: Convert to fraction form
269,178.97/403,156.40 = 208,723.00/x - Step 3: Cross multiply
269,178.97x = 403,156.40 × 208,723.00 - Step 4: Simplify right side
269,178.97x = 84,148,011,225.69 - Step 5: Solve for x
x = 84,148,011,225.69/269,178.97 - Step 6: Final answer
x = 312,609.90
Related Problems
Find fourth proportional to 134,589.48, 201,578.20 and 104,361.50
Half scale
Find fourth proportional to 538,357.94, 806,312.79 and 417,446.00
Double scale
Find fourth proportional to 269,179.97, 403,157.89 and 208,724
Similar ratio
Find fourth proportional to 403,768.45, 604,734.59 and 313,084.50
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.