Finding the Fourth Proportional to 179,706.57, 247,993.69 and 99,137.49
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Solution
The fourth proportional to 179,706.57, 247,993.69 and 99,137.49 is: 136,808.98
Step by Step Solution
- Step 1: Write the proportion equation
179,706.57 : 247,993.69 = 99,137.49 : x - Step 2: Convert to fraction form
179,706.57/247,993.69 = 99,137.49/x - Step 3: Cross multiply
179,706.57x = 247,993.69 × 99,137.49 - Step 4: Simplify right side
179,706.57x = 24,585,472,923.54 - Step 5: Solve for x
x = 24,585,472,923.54/179,706.57 - Step 6: Final answer
x = 136,808.98
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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.