Finding the Fourth Proportional to 252,136.91, 378,233.05 and 125,808.96
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Solution
The fourth proportional to 252,136.91, 378,233.05 and 125,808.96 is: 188,727.25
Step by Step Solution
- Step 1: Write the proportion equation
252,136.91 : 378,233.05 = 125,808.96 : x - Step 2: Convert to fraction form
252,136.91/378,233.05 = 125,808.96/x - Step 3: Cross multiply
252,136.91x = 378,233.05 × 125,808.96 - Step 4: Simplify right side
252,136.91x = 47,585,106,658.13 - Step 5: Solve for x
x = 47,585,106,658.13/252,136.91 - Step 6: Final answer
x = 188,727.25
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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.