Finding the Fourth Proportional to 370,788.24, 511,713.96 and 209,644.84
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Solution
The fourth proportional to 370,788.24, 511,713.96 and 209,644.84 is: 289,324.69
Step by Step Solution
- Step 1: Write the proportion equation
370,788.24 : 511,713.96 = 209,644.84 : x - Step 2: Convert to fraction form
370,788.24/511,713.96 = 209,644.84/x - Step 3: Cross multiply
370,788.24x = 511,713.96 × 209,644.84 - Step 4: Simplify right side
370,788.24x = 107,278,191,269.97 - Step 5: Solve for x
x = 107,278,191,269.97/370,788.24 - Step 6: Final answer
x = 289,324.69
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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.