Finding the Fourth Proportional to 365,409.18, 548,091.90 and 99,163.80
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Solution
The fourth proportional to 365,409.18, 548,091.90 and 99,163.80 is: 148,739.76
Step by Step Solution
- Step 1: Write the proportion equation
365,409.18 : 548,091.90 = 99,163.80 : x - Step 2: Convert to fraction form
365,409.18/548,091.90 = 99,163.80/x - Step 3: Cross multiply
365,409.18x = 548,091.90 × 99,163.80 - Step 4: Simplify right side
365,409.18x = 54,350,875,553.22 - Step 5: Solve for x
x = 54,350,875,553.22/365,409.18 - Step 6: Final answer
x = 148,739.76
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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.