Finding the Fourth Proportional to 168,199.88, 252,474.78 and 123,876.68
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Solution
The fourth proportional to 168,199.88, 252,474.78 and 123,876.68 is: 185,943.88
Step by Step Solution
- Step 1: Write the proportion equation
168,199.88 : 252,474.78 = 123,876.68 : x - Step 2: Convert to fraction form
168,199.88/252,474.78 = 123,876.68/x - Step 3: Cross multiply
168,199.88x = 252,474.78 × 123,876.68 - Step 4: Simplify right side
168,199.88x = 31,275,737,530.13 - Step 5: Solve for x
x = 31,275,737,530.13/168,199.88 - Step 6: Final answer
x = 185,943.88
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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.