Finding the Fourth Proportional to 194,795.70, 292,193.55 and 161,553.30
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Solution
The fourth proportional to 194,795.70, 292,193.55 and 161,553.30 is: 242,329.95
Step by Step Solution
- Step 1: Write the proportion equation
194,795.70 : 292,193.55 = 161,553.30 : x - Step 2: Convert to fraction form
194,795.70/292,193.55 = 161,553.30/x - Step 3: Cross multiply
194,795.70x = 292,193.55 × 161,553.30 - Step 4: Simplify right side
194,795.70x = 47,204,832,241.22 - Step 5: Solve for x
x = 47,204,832,241.22/194,795.70 - Step 6: Final answer
x = 242,329.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.