Finding the Fourth Proportional to 207,808.06, 311,149.89 and 107,757.93
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Solution
The fourth proportional to 207,808.06, 311,149.89 and 107,757.93 is: 161,345.37
Step by Step Solution
- Step 1: Write the proportion equation
207,808.06 : 311,149.89 = 107,757.93 : x - Step 2: Convert to fraction form
207,808.06/311,149.89 = 107,757.93/x - Step 3: Cross multiply
207,808.06x = 311,149.89 × 107,757.93 - Step 4: Simplify right side
207,808.06x = 33,528,868,066.13 - Step 5: Solve for x
x = 33,528,868,066.13/207,808.06 - Step 6: Final answer
x = 161,345.37
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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.