Finding the Fourth Proportional to 209,490.17, 289,102.98 and 118,849.96
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Solution
The fourth proportional to 209,490.17, 289,102.98 and 118,849.96 is: 164,016.65
Step by Step Solution
- Step 1: Write the proportion equation
209,490.17 : 289,102.98 = 118,849.96 : x - Step 2: Convert to fraction form
209,490.17/289,102.98 = 118,849.96/x - Step 3: Cross multiply
209,490.17x = 289,102.98 × 118,849.96 - Step 4: Simplify right side
209,490.17x = 34,359,876,163.37 - Step 5: Solve for x
x = 34,359,876,163.37/209,490.17 - Step 6: Final answer
x = 164,016.65
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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.