Finding the Fourth Proportional to 206,219.41, 284,586.15 and 115,595.53
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Solution
The fourth proportional to 206,219.41, 284,586.15 and 115,595.53 is: 159,523.72
Step by Step Solution
- Step 1: Write the proportion equation
206,219.41 : 284,586.15 = 115,595.53 : x - Step 2: Convert to fraction form
206,219.41/284,586.15 = 115,595.53/x - Step 3: Cross multiply
206,219.41x = 284,586.15 × 115,595.53 - Step 4: Simplify right side
206,219.41x = 32,896,886,839.91 - Step 5: Solve for x
x = 32,896,886,839.91/206,219.41 - Step 6: Final answer
x = 159,523.72
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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.