Finding the Fourth Proportional to 236,754.38, 326,719.08 and 129,324.44
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Solution
The fourth proportional to 236,754.38, 326,719.08 and 129,324.44 is: 178,466.65
Step by Step Solution
- Step 1: Write the proportion equation
236,754.38 : 326,719.08 = 129,324.44 : x - Step 2: Convert to fraction form
236,754.38/326,719.08 = 129,324.44/x - Step 3: Cross multiply
236,754.38x = 326,719.08 × 129,324.44 - Step 4: Simplify right side
236,754.38x = 42,252,760,424.72 - Step 5: Solve for x
x = 42,252,760,424.72/236,754.38 - Step 6: Final answer
x = 178,466.65
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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.