Finding the Fourth Proportional to 227,008.68, 340,394.77 and 84,736.97
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Solution
The fourth proportional to 227,008.68, 340,394.77 and 84,736.97 is: 127,061.32
Step by Step Solution
- Step 1: Write the proportion equation
227,008.68 : 340,394.77 = 84,736.97 : x - Step 2: Convert to fraction form
227,008.68/340,394.77 = 84,736.97/x - Step 3: Cross multiply
227,008.68x = 340,394.77 × 84,736.97 - Step 4: Simplify right side
227,008.68x = 28,844,021,094.07 - Step 5: Solve for x
x = 28,844,021,094.07/227,008.68 - Step 6: Final answer
x = 127,061.32
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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.