Finding the Fourth Proportional to 164,839.19, 227,478.08 and 89,387.75
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Solution
The fourth proportional to 164,839.19, 227,478.08 and 89,387.75 is: 123,355.09
Step by Step Solution
- Step 1: Write the proportion equation
164,839.19 : 227,478.08 = 89,387.75 : x - Step 2: Convert to fraction form
164,839.19/227,478.08 = 89,387.75/x - Step 3: Cross multiply
164,839.19x = 227,478.08 × 89,387.75 - Step 4: Simplify right side
164,839.19x = 20,333,753,176.82 - Step 5: Solve for x
x = 20,333,753,176.82/164,839.19 - Step 6: Final answer
x = 123,355.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.