Finding the Fourth Proportional to 208,687.96, 312,775.43 and 96,212.07
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Solution
The fourth proportional to 208,687.96, 312,775.43 and 96,212.07 is: 144,199.84
Step by Step Solution
- Step 1: Write the proportion equation
208,687.96 : 312,775.43 = 96,212.07 : x - Step 2: Convert to fraction form
208,687.96/312,775.43 = 96,212.07/x - Step 3: Cross multiply
208,687.96x = 312,775.43 × 96,212.07 - Step 4: Simplify right side
208,687.96x = 30,092,771,084.38 - Step 5: Solve for x
x = 30,092,771,084.38/208,687.96 - Step 6: Final answer
x = 144,199.84
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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.