Finding the Fourth Proportional to 264,231.99, 396,389.28 and 86,698.62
Calculator
Solution
The fourth proportional to 264,231.99, 396,389.28 and 86,698.62 is: 130,061.48
Step by Step Solution
- Step 1: Write the proportion equation
264,231.99 : 396,389.28 = 86,698.62 : x - Step 2: Convert to fraction form
264,231.99/396,389.28 = 86,698.62/x - Step 3: Cross multiply
264,231.99x = 396,389.28 × 86,698.62 - Step 4: Simplify right side
264,231.99x = 34,366,403,558.79 - Step 5: Solve for x
x = 34,366,403,558.79/264,231.99 - Step 6: Final answer
x = 130,061.48
Related Problems
Find fourth proportional to 132,116.00, 198,194.64 and 43,349.31
Half scale
Find fourth proportional to 528,463.98, 792,778.56 and 173,397.24
Double scale
Find fourth proportional to 264,232.99, 396,390.78 and 86,699.62
Similar ratio
Find fourth proportional to 396,347.99, 594,583.92 and 130,047.93
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.