Finding the Fourth Proportional to 370,378.98, 511,096.50 and 217,423.44
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Solution
The fourth proportional to 370,378.98, 511,096.50 and 217,423.44 is: 300,028.80
Step by Step Solution
- Step 1: Write the proportion equation
370,378.98 : 511,096.50 = 217,423.44 : x - Step 2: Convert to fraction form
370,378.98/511,096.50 = 217,423.44/x - Step 3: Cross multiply
370,378.98x = 511,096.50 × 217,423.44 - Step 4: Simplify right side
370,378.98x = 111,124,359,201.96 - Step 5: Solve for x
x = 111,124,359,201.96/370,378.98 - Step 6: Final answer
x = 300,028.80
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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.