Finding the Fourth Proportional to 324,193.60, 486,185.20 and 107,994.88
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Solution
The fourth proportional to 324,193.60, 486,185.20 and 107,994.88 is: 161,957.28
Step by Step Solution
- Step 1: Write the proportion equation
324,193.60 : 486,185.20 = 107,994.88 : x - Step 2: Convert to fraction form
324,193.60/486,185.20 = 107,994.88/x - Step 3: Cross multiply
324,193.60x = 486,185.20 × 107,994.88 - Step 4: Simplify right side
324,193.60x = 52,505,512,331.78 - Step 5: Solve for x
x = 52,505,512,331.78/324,193.60 - Step 6: Final answer
x = 161,957.28
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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.