Finding the Fourth Proportional to 203,109.82, 304,465.87 and 84,814.99
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Solution
The fourth proportional to 203,109.82, 304,465.87 and 84,814.99 is: 127,139.44
Step by Step Solution
- Step 1: Write the proportion equation
203,109.82 : 304,465.87 = 84,814.99 : x - Step 2: Convert to fraction form
203,109.82/304,465.87 = 84,814.99/x - Step 3: Cross multiply
203,109.82x = 304,465.87 × 84,814.99 - Step 4: Simplify right side
203,109.82x = 25,823,268,958.23 - Step 5: Solve for x
x = 25,823,268,958.23/203,109.82 - Step 6: Final answer
x = 127,139.44
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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.