Finding the Fourth Proportional to 161,845.98, 242,768.97 and 68,352.54
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Solution
The fourth proportional to 161,845.98, 242,768.97 and 68,352.54 is: 102,528.81
Step by Step Solution
- Step 1: Write the proportion equation
161,845.98 : 242,768.97 = 68,352.54 : x - Step 2: Convert to fraction form
161,845.98/242,768.97 = 68,352.54/x - Step 3: Cross multiply
161,845.98x = 242,768.97 × 68,352.54 - Step 4: Simplify right side
161,845.98x = 16,593,875,732.68 - Step 5: Solve for x
x = 16,593,875,732.68/161,845.98 - Step 6: Final answer
x = 102,528.81
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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.