Finding the Fourth Proportional to 206,376.68, 284,803.08 and 115,752.80
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Solution
The fourth proportional to 206,376.68, 284,803.08 and 115,752.80 is: 159,740.69
Step by Step Solution
- Step 1: Write the proportion equation
206,376.68 : 284,803.08 = 115,752.80 : x - Step 2: Convert to fraction form
206,376.68/284,803.08 = 115,752.80/x - Step 3: Cross multiply
206,376.68x = 284,803.08 × 115,752.80 - Step 4: Simplify right side
206,376.68x = 32,966,753,958.62 - Step 5: Solve for x
x = 32,966,753,958.62/206,376.68 - Step 6: Final answer
x = 159,740.69
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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.