Finding the Fourth Proportional to 209,754.18, 289,460.97 and 114,260.76
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Solution
The fourth proportional to 209,754.18, 289,460.97 and 114,260.76 is: 157,679.96
Step by Step Solution
- Step 1: Write the proportion equation
209,754.18 : 289,460.97 = 114,260.76 : x - Step 2: Convert to fraction form
209,754.18/289,460.97 = 114,260.76/x - Step 3: Cross multiply
209,754.18x = 289,460.97 × 114,260.76 - Step 4: Simplify right side
209,754.18x = 33,074,030,422.54 - Step 5: Solve for x
x = 33,074,030,422.54/209,754.18 - Step 6: Final answer
x = 157,679.96
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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.