Finding the Fourth Proportional to 209,602.08, 289,249.20 and 114,108.48
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Solution
The fourth proportional to 209,602.08, 289,249.20 and 114,108.48 is: 157,468.79
Step by Step Solution
- Step 1: Write the proportion equation
209,602.08 : 289,249.20 = 114,108.48 : x - Step 2: Convert to fraction form
209,602.08/289,249.20 = 114,108.48/x - Step 3: Cross multiply
209,602.08x = 289,249.20 × 114,108.48 - Step 4: Simplify right side
209,602.08x = 33,005,786,553.22 - Step 5: Solve for x
x = 33,005,786,553.22/209,602.08 - Step 6: Final answer
x = 157,468.79
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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.