Finding the Fourth Proportional to 370,452.96, 511,193.70 and 217,474.74
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Solution
The fourth proportional to 370,452.96, 511,193.70 and 217,474.74 is: 300,096.72
Step by Step Solution
- Step 1: Write the proportion equation
370,452.96 : 511,193.70 = 217,474.74 : x - Step 2: Convert to fraction form
370,452.96/511,193.70 = 217,474.74/x - Step 3: Cross multiply
370,452.96x = 511,193.70 × 217,474.74 - Step 4: Simplify right side
370,452.96x = 111,171,716,997.14 - Step 5: Solve for x
x = 111,171,716,997.14/370,452.96 - Step 6: Final answer
x = 300,096.72
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1.5x scale
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.