Finding the Fourth Proportional to 370,784.88, 511,644.84 and 227,550.96
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Solution
The fourth proportional to 370,784.88, 511,644.84 and 227,550.96 is: 313,996.82
Step by Step Solution
- Step 1: Write the proportion equation
370,784.88 : 511,644.84 = 227,550.96 : x - Step 2: Convert to fraction form
370,784.88/511,644.84 = 227,550.96/x - Step 3: Cross multiply
370,784.88x = 511,644.84 × 227,550.96 - Step 4: Simplify right side
370,784.88x = 116,425,274,521.05 - Step 5: Solve for x
x = 116,425,274,521.05/370,784.88 - Step 6: Final answer
x = 313,996.82
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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.