Finding the Fourth Proportional to 370,789.22, 511,715.34 and 209,645.84
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Solution
The fourth proportional to 370,789.22, 511,715.34 and 209,645.84 is: 289,326.08
Step by Step Solution
- Step 1: Write the proportion equation
370,789.22 : 511,715.34 = 209,645.84 : x - Step 2: Convert to fraction form
370,789.22/511,715.34 = 209,645.84/x - Step 3: Cross multiply
370,789.22x = 511,715.34 × 209,645.84 - Step 4: Simplify right side
370,789.22x = 107,278,992,295.19 - Step 5: Solve for x
x = 107,278,992,295.19/370,789.22 - Step 6: Final answer
x = 289,326.08
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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.