Finding the Fourth Proportional to 206,410.07, 284,724.93 and 129,807.66
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Solution
The fourth proportional to 206,410.07, 284,724.93 and 129,807.66 is: 179,058.49
Step by Step Solution
- Step 1: Write the proportion equation
206,410.07 : 284,724.93 = 129,807.66 : x - Step 2: Convert to fraction form
206,410.07/284,724.93 = 129,807.66/x - Step 3: Cross multiply
206,410.07x = 284,724.93 × 129,807.66 - Step 4: Simplify right side
206,410.07x = 36,959,476,257.93 - Step 5: Solve for x
x = 36,959,476,257.93/206,410.07 - Step 6: Final answer
x = 179,058.49
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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.