Finding the Fourth Proportional to 206,171.84, 309,376.68 and 111,402.26
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Solution
The fourth proportional to 206,171.84, 309,376.68 and 111,402.26 is: 167,167.65
Step by Step Solution
- Step 1: Write the proportion equation
206,171.84 : 309,376.68 = 111,402.26 : x - Step 2: Convert to fraction form
206,171.84/309,376.68 = 111,402.26/x - Step 3: Cross multiply
206,171.84x = 309,376.68 × 111,402.26 - Step 4: Simplify right side
206,171.84x = 34,465,261,343.30 - Step 5: Solve for x
x = 34,465,261,343.30/206,171.84 - Step 6: Final answer
x = 167,167.65
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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.