Finding the Fourth Proportional to 222,855.75, 307,535.99 and 126,046.80
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Solution
The fourth proportional to 222,855.75, 307,535.99 and 126,046.80 is: 173,941.78
Step by Step Solution
- Step 1: Write the proportion equation
222,855.75 : 307,535.99 = 126,046.80 : x - Step 2: Convert to fraction form
222,855.75/307,535.99 = 126,046.80/x - Step 3: Cross multiply
222,855.75x = 307,535.99 × 126,046.80 - Step 4: Simplify right side
222,855.75x = 38,763,926,794.10 - Step 5: Solve for x
x = 38,763,926,794.10/222,855.75 - Step 6: Final answer
x = 173,941.78
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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.