Finding the Fourth Proportional to 202,239.10, 303,553.05 and 102,511.90
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Solution
The fourth proportional to 202,239.10, 303,553.05 and 102,511.90 is: 153,866.39
Step by Step Solution
- Step 1: Write the proportion equation
202,239.10 : 303,553.05 = 102,511.90 : x - Step 2: Convert to fraction form
202,239.10/303,553.05 = 102,511.90/x - Step 3: Cross multiply
202,239.10x = 303,553.05 × 102,511.90 - Step 4: Simplify right side
202,239.10x = 31,117,799,906.30 - Step 5: Solve for x
x = 31,117,799,906.30/202,239.10 - Step 6: Final answer
x = 153,866.39
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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.