Finding the Fourth Proportional to 204,991.20, 307,486.80 and 177,343.20
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Solution
The fourth proportional to 204,991.20, 307,486.80 and 177,343.20 is: 266,014.80
Step by Step Solution
- Step 1: Write the proportion equation
204,991.20 : 307,486.80 = 177,343.20 : x - Step 2: Convert to fraction form
204,991.20/307,486.80 = 177,343.20/x - Step 3: Cross multiply
204,991.20x = 307,486.80 × 177,343.20 - Step 4: Simplify right side
204,991.20x = 54,530,693,069.76 - Step 5: Solve for x
x = 54,530,693,069.76/204,991.20 - Step 6: Final answer
x = 266,014.80
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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.