Finding the Fourth Proportional to 218,611.09, 327,916.70 and 168,763.96
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Solution
The fourth proportional to 218,611.09, 327,916.70 and 168,763.96 is: 253,145.99
Step by Step Solution
- Step 1: Write the proportion equation
218,611.09 : 327,916.70 = 168,763.96 : x - Step 2: Convert to fraction form
218,611.09/327,916.70 = 168,763.96/x - Step 3: Cross multiply
218,611.09x = 327,916.70 × 168,763.96 - Step 4: Simplify right side
218,611.09x = 55,340,520,842.13 - Step 5: Solve for x
x = 55,340,520,842.13/218,611.09 - Step 6: Final answer
x = 253,145.99
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1.5x scale
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.