Finding the Fourth Proportional to 229,067.28, 343,516.68 and 79,269.12
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Solution
The fourth proportional to 229,067.28, 343,516.68 and 79,269.12 is: 118,874.53
Step by Step Solution
- Step 1: Write the proportion equation
229,067.28 : 343,516.68 = 79,269.12 : x - Step 2: Convert to fraction form
229,067.28/343,516.68 = 79,269.12/x - Step 3: Cross multiply
229,067.28x = 343,516.68 × 79,269.12 - Step 4: Simplify right side
229,067.28x = 27,230,264,928.92 - Step 5: Solve for x
x = 27,230,264,928.92/229,067.28 - Step 6: Final answer
x = 118,874.53
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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.