Finding the Fourth Proportional to 206,349.84, 284,813.37 and 125,821.71
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Solution
The fourth proportional to 206,349.84, 284,813.37 and 125,821.71 is: 173,664.81
Step by Step Solution
- Step 1: Write the proportion equation
206,349.84 : 284,813.37 = 125,821.71 : x - Step 2: Convert to fraction form
206,349.84/284,813.37 = 125,821.71/x - Step 3: Cross multiply
206,349.84x = 284,813.37 × 125,821.71 - Step 4: Simplify right side
206,349.84x = 35,835,705,244.26 - Step 5: Solve for x
x = 35,835,705,244.26/206,349.84 - Step 6: Final answer
x = 173,664.81
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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.