Finding the Fourth Proportional to 207,112.06, 310,602.81 and 66,841.66
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Solution
The fourth proportional to 207,112.06, 310,602.81 and 66,841.66 is: 100,241.42
Step by Step Solution
- Step 1: Write the proportion equation
207,112.06 : 310,602.81 = 66,841.66 : x - Step 2: Convert to fraction form
207,112.06/310,602.81 = 66,841.66/x - Step 3: Cross multiply
207,112.06x = 310,602.81 × 66,841.66 - Step 4: Simplify right side
207,112.06x = 20,761,207,421.06 - Step 5: Solve for x
x = 20,761,207,421.06/207,112.06 - Step 6: Final answer
x = 100,241.42
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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.