Finding the Fourth Proportional to 603,369.53, 905,053.40 and 154,090.68
Calculator
Solution
The fourth proportional to 603,369.53, 905,053.40 and 154,090.68 is: 231,135.79
Step by Step Solution
- Step 1: Write the proportion equation
603,369.53 : 905,053.40 = 154,090.68 : x - Step 2: Convert to fraction form
603,369.53/905,053.40 = 154,090.68/x - Step 3: Cross multiply
603,369.53x = 905,053.40 × 154,090.68 - Step 4: Simplify right side
603,369.53x = 139,460,293,842.31 - Step 5: Solve for x
x = 139,460,293,842.31/603,369.53 - Step 6: Final answer
x = 231,135.79
Related Problems
Find fourth proportional to 301,684.77, 452,526.70 and 77,045.34
Half scale
Find fourth proportional to 1,206,739.06, 1,810,106.80 and 308,181.36
Double scale
Find fourth proportional to 603,370.53, 905,054.90 and 154,091.68
Similar ratio
Find fourth proportional to 905,054.30, 1,357,580.10 and 231,136.02
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.