Finding the Fourth Proportional to 982,236.12, 1,473,208.38 and 272,190.12
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Solution
The fourth proportional to 982,236.12, 1,473,208.38 and 272,190.12 is: 408,244.78
Step by Step Solution
- Step 1: Write the proportion equation
982,236.12 : 1,473,208.38 = 272,190.12 : x - Step 2: Convert to fraction form
982,236.12/1,473,208.38 = 272,190.12/x - Step 3: Cross multiply
982,236.12x = 1,473,208.38 × 272,190.12 - Step 4: Simplify right side
982,236.12x = 400,992,765,737.21 - Step 5: Solve for x
x = 400,992,765,737.21/982,236.12 - Step 6: Final answer
x = 408,244.78
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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.