Finding the Fourth Proportional to 211,998.21, 292,575.49 and 144,165.67
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Solution
The fourth proportional to 211,998.21, 292,575.49 and 144,165.67 is: 198,960.84
Step by Step Solution
- Step 1: Write the proportion equation
211,998.21 : 292,575.49 = 144,165.67 : x - Step 2: Convert to fraction form
211,998.21/292,575.49 = 144,165.67/x - Step 3: Cross multiply
211,998.21x = 292,575.49 × 144,165.67 - Step 4: Simplify right side
211,998.21x = 42,179,342,906.24 - Step 5: Solve for x
x = 42,179,342,906.24/211,998.21 - Step 6: Final answer
x = 198,960.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.