Finding the Fourth Proportional to 181,347.68, 250,243.88 and 100,770.09
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Solution
The fourth proportional to 181,347.68, 250,243.88 and 100,770.09 is: 139,053.88
Step by Step Solution
- Step 1: Write the proportion equation
181,347.68 : 250,243.88 = 100,770.09 : x - Step 2: Convert to fraction form
181,347.68/250,243.88 = 100,770.09/x - Step 3: Cross multiply
181,347.68x = 250,243.88 × 100,770.09 - Step 4: Simplify right side
181,347.68x = 25,217,097,805.70 - Step 5: Solve for x
x = 25,217,097,805.70/181,347.68 - Step 6: Final answer
x = 139,053.88
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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.