Finding the Fourth Proportional to 181,677.09, 272,338.92 and 86,882.79
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Solution
The fourth proportional to 181,677.09, 272,338.92 and 86,882.79 is: 130,239.68
Step by Step Solution
- Step 1: Write the proportion equation
181,677.09 : 272,338.92 = 86,882.79 : x - Step 2: Convert to fraction form
181,677.09/272,338.92 = 86,882.79/x - Step 3: Cross multiply
181,677.09x = 272,338.92 × 86,882.79 - Step 4: Simplify right side
181,677.09x = 23,661,565,195.19 - Step 5: Solve for x
x = 23,661,565,195.19/181,677.09 - Step 6: Final answer
x = 130,239.68
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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.