Finding the Fourth Proportional to 206,197.19, 309,202.84 and 73,047.17
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Solution
The fourth proportional to 206,197.19, 309,202.84 and 73,047.17 is: 109,537.82
Step by Step Solution
- Step 1: Write the proportion equation
206,197.19 : 309,202.84 = 73,047.17 : x - Step 2: Convert to fraction form
206,197.19/309,202.84 = 73,047.17/x - Step 3: Cross multiply
206,197.19x = 309,202.84 × 73,047.17 - Step 4: Simplify right side
206,197.19x = 22,586,391,748.46 - Step 5: Solve for x
x = 22,586,391,748.46/206,197.19 - Step 6: Final answer
x = 109,537.82
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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.