Finding the Fourth Proportional to 179,431.26, 247,617.98 and 98,857.99
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Solution
The fourth proportional to 179,431.26, 247,617.98 and 98,857.99 is: 136,425.59
Step by Step Solution
- Step 1: Write the proportion equation
179,431.26 : 247,617.98 = 98,857.99 : x - Step 2: Convert to fraction form
179,431.26/247,617.98 = 98,857.99/x - Step 3: Cross multiply
179,431.26x = 247,617.98 × 98,857.99 - Step 4: Simplify right side
179,431.26x = 24,479,015,790.66 - Step 5: Solve for x
x = 24,479,015,790.66/179,431.26 - Step 6: Final answer
x = 136,425.59
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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.