Finding the Fourth Proportional to 370,464.53, 511,264.65 and 227,205.09
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Solution
The fourth proportional to 370,464.53, 511,264.65 and 227,205.09 is: 313,557.50
Step by Step Solution
- Step 1: Write the proportion equation
370,464.53 : 511,264.65 = 227,205.09 : x - Step 2: Convert to fraction form
370,464.53/511,264.65 = 227,205.09/x - Step 3: Cross multiply
370,464.53x = 511,264.65 × 227,205.09 - Step 4: Simplify right side
370,464.53x = 116,161,930,817.07 - Step 5: Solve for x
x = 116,161,930,817.07/370,464.53 - Step 6: Final answer
x = 313,557.50
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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.