Finding the Fourth Proportional to 199,167.36, 274,848.49 and 108,520.99
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Solution
The fourth proportional to 199,167.36, 274,848.49 and 108,520.99 is: 149,757.63
Step by Step Solution
- Step 1: Write the proportion equation
199,167.36 : 274,848.49 = 108,520.99 : x - Step 2: Convert to fraction form
199,167.36/274,848.49 = 108,520.99/x - Step 3: Cross multiply
199,167.36x = 274,848.49 × 108,520.99 - Step 4: Simplify right side
199,167.36x = 29,826,830,456.35 - Step 5: Solve for x
x = 29,826,830,456.35/199,167.36 - Step 6: Final answer
x = 149,757.63
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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.