Finding the Fourth Proportional to 206,410.08, 284,724.92 and 129,807.67
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Solution
The fourth proportional to 206,410.08, 284,724.92 and 129,807.67 is: 179,058.50
Step by Step Solution
- Step 1: Write the proportion equation
206,410.08 : 284,724.92 = 129,807.67 : x - Step 2: Convert to fraction form
206,410.08/284,724.92 = 129,807.67/x - Step 3: Cross multiply
206,410.08x = 284,724.92 × 129,807.67 - Step 4: Simplify right side
206,410.08x = 36,959,478,456.14 - Step 5: Solve for x
x = 36,959,478,456.14/206,410.08 - Step 6: Final answer
x = 179,058.50
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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.