Finding the Fourth Proportional to 293,556.60, 405,232.08 and 198,192.48
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Solution
The fourth proportional to 293,556.60, 405,232.08 and 198,192.48 is: 273,589.32
Step by Step Solution
- Step 1: Write the proportion equation
293,556.60 : 405,232.08 = 198,192.48 : x - Step 2: Convert to fraction form
293,556.60/405,232.08 = 198,192.48/x - Step 3: Cross multiply
293,556.60x = 405,232.08 × 198,192.48 - Step 4: Simplify right side
293,556.60x = 80,313,950,910.76 - Step 5: Solve for x
x = 80,313,950,910.76/293,556.60 - Step 6: Final answer
x = 273,589.32
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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.