Finding the Fourth Proportional to 349,715.60, 523,363.80 and 209,574.80
Calculator
Solution
The fourth proportional to 349,715.60, 523,363.80 and 209,574.80 is: 313,637.32
Step by Step Solution
- Step 1: Write the proportion equation
349,715.60 : 523,363.80 = 209,574.80 : x - Step 2: Convert to fraction form
349,715.60/523,363.80 = 209,574.80/x - Step 3: Cross multiply
349,715.60x = 523,363.80 × 209,574.80 - Step 4: Simplify right side
349,715.60x = 109,683,863,712.24 - Step 5: Solve for x
x = 109,683,863,712.24/349,715.60 - Step 6: Final answer
x = 313,637.32
Related Problems
Find fourth proportional to 174,857.80, 261,681.90 and 104,787.40
Half scale
Find fourth proportional to 699,431.20, 1,046,727.60 and 419,149.60
Double scale
Find fourth proportional to 349,716.60, 523,365.30 and 209,575.80
Similar ratio
Find fourth proportional to 524,573.40, 785,045.70 and 314,362.20
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.