Finding the Fourth Proportional to 218,928.40, 328,368.30 and 179,416.60
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Solution
The fourth proportional to 218,928.40, 328,368.30 and 179,416.60 is: 269,104.99
Step by Step Solution
- Step 1: Write the proportion equation
218,928.40 : 328,368.30 = 179,416.60 : x - Step 2: Convert to fraction form
218,928.40/328,368.30 = 179,416.60/x - Step 3: Cross multiply
218,928.40x = 328,368.30 × 179,416.60 - Step 4: Simplify right side
218,928.40x = 58,914,723,933.78 - Step 5: Solve for x
x = 58,914,723,933.78/218,928.40 - Step 6: Final answer
x = 269,104.99
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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.