Finding the Fourth Proportional to 179,860.42, 269,823.42 and 74,687.62
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Solution
The fourth proportional to 179,860.42, 269,823.42 and 74,687.62 is: 112,045.05
Step by Step Solution
- Step 1: Write the proportion equation
179,860.42 : 269,823.42 = 74,687.62 : x - Step 2: Convert to fraction form
179,860.42/269,823.42 = 74,687.62/x - Step 3: Cross multiply
179,860.42x = 269,823.42 × 74,687.62 - Step 4: Simplify right side
179,860.42x = 20,152,469,060.06 - Step 5: Solve for x
x = 20,152,469,060.06/179,860.42 - Step 6: Final answer
x = 112,045.05
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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.