Finding the Fourth Proportional to 845,884.99, 1,268,902.06 and 238,678.68
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Solution
The fourth proportional to 845,884.99, 1,268,902.06 and 238,678.68 is: 358,039.07
Step by Step Solution
- Step 1: Write the proportion equation
845,884.99 : 1,268,902.06 = 238,678.68 : x - Step 2: Convert to fraction form
845,884.99/1,268,902.06 = 238,678.68/x - Step 3: Cross multiply
845,884.99x = 1,268,902.06 × 238,678.68 - Step 4: Simplify right side
845,884.99x = 302,859,872,891.77 - Step 5: Solve for x
x = 302,859,872,891.77/845,884.99 - Step 6: Final answer
x = 358,039.07
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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.