Finding the Fourth Proportional to 202,383.15, 303,519.28 and 76,013.62
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Solution
The fourth proportional to 202,383.15, 303,519.28 and 76,013.62 is: 113,999.61
Step by Step Solution
- Step 1: Write the proportion equation
202,383.15 : 303,519.28 = 76,013.62 : x - Step 2: Convert to fraction form
202,383.15/303,519.28 = 76,013.62/x - Step 3: Cross multiply
202,383.15x = 303,519.28 × 76,013.62 - Step 4: Simplify right side
202,383.15x = 23,071,599,212.59 - Step 5: Solve for x
x = 23,071,599,212.59/202,383.15 - Step 6: Final answer
x = 113,999.61
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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.