Finding the Fourth Proportional to 374,427.51, 516,649.62 and 213,285.70
Calculator
Solution
The fourth proportional to 374,427.51, 516,649.62 and 213,285.70 is: 294,299.89
Step by Step Solution
- Step 1: Write the proportion equation
374,427.51 : 516,649.62 = 213,285.70 : x - Step 2: Convert to fraction form
374,427.51/516,649.62 = 213,285.70/x - Step 3: Cross multiply
374,427.51x = 516,649.62 × 213,285.70 - Step 4: Simplify right side
374,427.51x = 110,193,975,856.43 - Step 5: Solve for x
x = 110,193,975,856.43/374,427.51 - Step 6: Final answer
x = 294,299.89
Related Problems
Find fourth proportional to 187,213.76, 258,324.81 and 106,642.85
Half scale
Find fourth proportional to 748,855.02, 1,033,299.24 and 426,571.40
Double scale
Find fourth proportional to 374,428.51, 516,651 and 213,286.70
Similar ratio
Find fourth proportional to 561,641.27, 774,974.43 and 319,928.55
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.