Finding the Fourth Proportional to 179,089.94, 247,121.69 and 121,072.94
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Solution
The fourth proportional to 179,089.94, 247,121.69 and 121,072.94 is: 167,065.49
Step by Step Solution
- Step 1: Write the proportion equation
179,089.94 : 247,121.69 = 121,072.94 : x - Step 2: Convert to fraction form
179,089.94/247,121.69 = 121,072.94/x - Step 3: Cross multiply
179,089.94x = 247,121.69 × 121,072.94 - Step 4: Simplify right side
179,089.94x = 29,919,747,705.10 - Step 5: Solve for x
x = 29,919,747,705.10/179,089.94 - Step 6: Final answer
x = 167,065.49
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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.