Finding the Fourth Proportional to 206,037.66, 284,328.87 and 115,393.26
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Solution
The fourth proportional to 206,037.66, 284,328.87 and 115,393.26 is: 159,240.96
Step by Step Solution
- Step 1: Write the proportion equation
206,037.66 : 284,328.87 = 115,393.26 : x - Step 2: Convert to fraction form
206,037.66/284,328.87 = 115,393.26/x - Step 3: Cross multiply
206,037.66x = 284,328.87 × 115,393.26 - Step 4: Simplify right side
206,037.66x = 32,809,635,221.42 - Step 5: Solve for x
x = 32,809,635,221.42/206,037.66 - Step 6: Final answer
x = 159,240.96
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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.