Finding the Fourth Proportional to 209,888.82, 289,537.45 and 133,276.84
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Solution
The fourth proportional to 209,888.82, 289,537.45 and 133,276.84 is: 183,852.75
Step by Step Solution
- Step 1: Write the proportion equation
209,888.82 : 289,537.45 = 133,276.84 : x - Step 2: Convert to fraction form
209,888.82/289,537.45 = 133,276.84/x - Step 3: Cross multiply
209,888.82x = 289,537.45 × 133,276.84 - Step 4: Simplify right side
209,888.82x = 38,588,635,340.62 - Step 5: Solve for x
x = 38,588,635,340.62/209,888.82 - Step 6: Final answer
x = 183,852.75
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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.