Finding the Fourth Proportional to 206,226.76, 284,641.14 and 134,481.82
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Solution
The fourth proportional to 206,226.76, 284,641.14 and 134,481.82 is: 185,616.35
Step by Step Solution
- Step 1: Write the proportion equation
206,226.76 : 284,641.14 = 134,481.82 : x - Step 2: Convert to fraction form
206,226.76/284,641.14 = 134,481.82/x - Step 3: Cross multiply
206,226.76x = 284,641.14 × 134,481.82 - Step 4: Simplify right side
206,226.76x = 38,279,058,554.07 - Step 5: Solve for x
x = 38,279,058,554.07/206,226.76 - Step 6: Final answer
x = 185,616.35
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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.