Finding the Fourth Proportional to 205,795.65, 284,042.12 and 125,249.12
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Solution
The fourth proportional to 205,795.65, 284,042.12 and 125,249.12 is: 172,870.63
Step by Step Solution
- Step 1: Write the proportion equation
205,795.65 : 284,042.12 = 125,249.12 : x - Step 2: Convert to fraction form
205,795.65/284,042.12 = 125,249.12/x - Step 3: Cross multiply
205,795.65x = 284,042.12 × 125,249.12 - Step 4: Simplify right side
205,795.65x = 35,576,023,526.48 - Step 5: Solve for x
x = 35,576,023,526.48/205,795.65 - Step 6: Final answer
x = 172,870.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.