Finding the Fourth Proportional to 222,647.67, 307,220.99 and 135,388.26
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Solution
The fourth proportional to 222,647.67, 307,220.99 and 135,388.26 is: 186,815.85
Step by Step Solution
- Step 1: Write the proportion equation
222,647.67 : 307,220.99 = 135,388.26 : x - Step 2: Convert to fraction form
222,647.67/307,220.99 = 135,388.26/x - Step 3: Cross multiply
222,647.67x = 307,220.99 × 135,388.26 - Step 4: Simplify right side
222,647.67x = 41,594,114,594.64 - Step 5: Solve for x
x = 41,594,114,594.64/222,647.67 - Step 6: Final answer
x = 186,815.85
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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.