Finding the Fourth Proportional to 218,525.09, 327,838.35 and 68,761.49
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Solution
The fourth proportional to 218,525.09, 327,838.35 and 68,761.49 is: 103,158.19
Step by Step Solution
- Step 1: Write the proportion equation
218,525.09 : 327,838.35 = 68,761.49 : x - Step 2: Convert to fraction form
218,525.09/327,838.35 = 68,761.49/x - Step 3: Cross multiply
218,525.09x = 327,838.35 × 68,761.49 - Step 4: Simplify right side
218,525.09x = 22,542,653,445.80 - Step 5: Solve for x
x = 22,542,653,445.80/218,525.09 - Step 6: Final answer
x = 103,158.19
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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.