Finding the Fourth Proportional to 334,742.26, 502,113.12 and 85,424.26
Calculator
Solution
The fourth proportional to 334,742.26, 502,113.12 and 85,424.26 is: 128,136.32
Step by Step Solution
- Step 1: Write the proportion equation
334,742.26 : 502,113.12 = 85,424.26 : x - Step 2: Convert to fraction form
334,742.26/502,113.12 = 85,424.26/x - Step 3: Cross multiply
334,742.26x = 502,113.12 × 85,424.26 - Step 4: Simplify right side
334,742.26x = 42,892,641,712.29 - Step 5: Solve for x
x = 42,892,641,712.29/334,742.26 - Step 6: Final answer
x = 128,136.32
Related Problems
Find fourth proportional to 167,371.13, 251,056.56 and 42,712.13
Half scale
Find fourth proportional to 669,484.52, 1,004,226.24 and 170,848.52
Double scale
Find fourth proportional to 334,743.26, 502,114.62 and 85,425.26
Similar ratio
Find fourth proportional to 502,113.39, 753,169.68 and 128,136.39
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.