Finding the Fourth Proportional to 161,691.81, 242,537.73 and 61,882.62
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Solution
The fourth proportional to 161,691.81, 242,537.73 and 61,882.62 is: 92,823.94
Step by Step Solution
- Step 1: Write the proportion equation
161,691.81 : 242,537.73 = 61,882.62 : x - Step 2: Convert to fraction form
161,691.81/242,537.73 = 61,882.62/x - Step 3: Cross multiply
161,691.81x = 242,537.73 × 61,882.62 - Step 4: Simplify right side
161,691.81x = 15,008,870,181.25 - Step 5: Solve for x
x = 15,008,870,181.25/161,691.81 - Step 6: Final answer
x = 92,823.94
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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.