Finding the Fourth Proportional to 311,195.70, 466,793.55 and 277,953.30
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Solution
The fourth proportional to 311,195.70, 466,793.55 and 277,953.30 is: 416,929.95
Step by Step Solution
- Step 1: Write the proportion equation
311,195.70 : 466,793.55 = 277,953.30 : x - Step 2: Convert to fraction form
311,195.70/466,793.55 = 277,953.30/x - Step 3: Cross multiply
311,195.70x = 466,793.55 × 277,953.30 - Step 4: Simplify right side
311,195.70x = 129,746,807,641.22 - Step 5: Solve for x
x = 129,746,807,641.22/311,195.70 - Step 6: Final answer
x = 416,929.95
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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.