Finding the Fourth Proportional to 180,561.99, 270,611.19 and 68,108.28
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Solution
The fourth proportional to 180,561.99, 270,611.19 and 68,108.28 is: 102,074.99
Step by Step Solution
- Step 1: Write the proportion equation
180,561.99 : 270,611.19 = 68,108.28 : x - Step 2: Convert to fraction form
180,561.99/270,611.19 = 68,108.28/x - Step 3: Cross multiply
180,561.99x = 270,611.19 × 68,108.28 - Step 4: Simplify right side
180,561.99x = 18,430,862,699.65 - Step 5: Solve for x
x = 18,430,862,699.65/180,561.99 - Step 6: Final answer
x = 102,074.99
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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.