Finding the Fourth Proportional to 202,660.86, 303,997.40 and 69,539.18
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Solution
The fourth proportional to 202,660.86, 303,997.40 and 69,539.18 is: 104,310.87
Step by Step Solution
- Step 1: Write the proportion equation
202,660.86 : 303,997.40 = 69,539.18 : x - Step 2: Convert to fraction form
202,660.86/303,997.40 = 69,539.18/x - Step 3: Cross multiply
202,660.86x = 303,997.40 × 69,539.18 - Step 4: Simplify right side
202,660.86x = 21,139,729,918.13 - Step 5: Solve for x
x = 21,139,729,918.13/202,660.86 - Step 6: Final answer
x = 104,310.87
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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.