Finding the Fourth Proportional to 505,231.68, 757,191.09 and 205,362.99
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Solution
The fourth proportional to 505,231.68, 757,191.09 and 205,362.99 is: 307,777.66
Step by Step Solution
- Step 1: Write the proportion equation
505,231.68 : 757,191.09 = 205,362.99 : x - Step 2: Convert to fraction form
505,231.68/757,191.09 = 205,362.99/x - Step 3: Cross multiply
505,231.68x = 757,191.09 × 205,362.99 - Step 4: Simplify right side
505,231.68x = 155,499,026,243.76 - Step 5: Solve for x
x = 155,499,026,243.76/505,231.68 - Step 6: Final answer
x = 307,777.66
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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.