Finding the Fourth Proportional to 311,982.06, 430,535.33 and 176,044.82
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Solution
The fourth proportional to 311,982.06, 430,535.33 and 176,044.82 is: 242,941.89
Step by Step Solution
- Step 1: Write the proportion equation
311,982.06 : 430,535.33 = 176,044.82 : x - Step 2: Convert to fraction form
311,982.06/430,535.33 = 176,044.82/x - Step 3: Cross multiply
311,982.06x = 430,535.33 × 176,044.82 - Step 4: Simplify right side
311,982.06x = 75,793,511,640.59 - Step 5: Solve for x
x = 75,793,511,640.59/311,982.06 - Step 6: Final answer
x = 242,941.89
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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.