Finding the Fourth Proportional to 206,455.68, 284,909.00 and 120,473.78
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Solution
The fourth proportional to 206,455.68, 284,909.00 and 120,473.78 is: 166,253.90
Step by Step Solution
- Step 1: Write the proportion equation
206,455.68 : 284,909.00 = 120,473.78 : x - Step 2: Convert to fraction form
206,455.68/284,909.00 = 120,473.78/x - Step 3: Cross multiply
206,455.68x = 284,909.00 × 120,473.78 - Step 4: Simplify right side
206,455.68x = 34,324,062,159.11 - Step 5: Solve for x
x = 34,324,062,159.11/206,455.68 - Step 6: Final answer
x = 166,253.90
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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.