Finding the Fourth Proportional to 253,057.44, 380,177.92 and 217,628.08
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Solution
The fourth proportional to 253,057.44, 380,177.92 and 217,628.08 is: 326,951.03
Step by Step Solution
- Step 1: Write the proportion equation
253,057.44 : 380,177.92 = 217,628.08 : x - Step 2: Convert to fraction form
253,057.44/380,177.92 = 217,628.08/x - Step 3: Cross multiply
253,057.44x = 380,177.92 × 217,628.08 - Step 4: Simplify right side
253,057.44x = 82,737,390,787.99 - Step 5: Solve for x
x = 82,737,390,787.99/253,057.44 - Step 6: Final answer
x = 326,951.03
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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.