Finding the Fourth Proportional to 181,946.44, 272,972.32 and 75,310.68
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Solution
The fourth proportional to 181,946.44, 272,972.32 and 75,310.68 is: 112,987.82
Step by Step Solution
- Step 1: Write the proportion equation
181,946.44 : 272,972.32 = 75,310.68 : x - Step 2: Convert to fraction form
181,946.44/272,972.32 = 75,310.68/x - Step 3: Cross multiply
181,946.44x = 272,972.32 × 75,310.68 - Step 4: Simplify right side
181,946.44x = 20,557,731,040.38 - Step 5: Solve for x
x = 20,557,731,040.38/181,946.44 - Step 6: Final answer
x = 112,987.82
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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.