Finding the Fourth Proportional to 622,163.40, 932,553.90 and 341,881.80
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Solution
The fourth proportional to 622,163.40, 932,553.90 and 341,881.80 is: 512,442.88
Step by Step Solution
- Step 1: Write the proportion equation
622,163.40 : 932,553.90 = 341,881.80 : x - Step 2: Convert to fraction form
622,163.40/932,553.90 = 341,881.80/x - Step 3: Cross multiply
622,163.40x = 932,553.90 × 341,881.80 - Step 4: Simplify right side
622,163.40x = 318,823,205,929.02 - Step 5: Solve for x
x = 318,823,205,929.02/622,163.40 - Step 6: Final answer
x = 512,442.88
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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.