Finding the Fourth Proportional to 311,545.26, 429,650.19 and 204,076.08
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Solution
The fourth proportional to 311,545.26, 429,650.19 and 204,076.08 is: 281,440.09
Step by Step Solution
- Step 1: Write the proportion equation
311,545.26 : 429,650.19 = 204,076.08 : x - Step 2: Convert to fraction form
311,545.26/429,650.19 = 204,076.08/x - Step 3: Cross multiply
311,545.26x = 429,650.19 × 204,076.08 - Step 4: Simplify right side
311,545.26x = 87,681,326,546.46 - Step 5: Solve for x
x = 87,681,326,546.46/311,545.26 - Step 6: Final answer
x = 281,440.09
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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.