Finding the Fourth Proportional to 371,763.75, 557,644.53 and 105,524.49
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Solution
The fourth proportional to 371,763.75, 557,644.53 and 105,524.49 is: 158,286.42
Step by Step Solution
- Step 1: Write the proportion equation
371,763.75 : 557,644.53 = 105,524.49 : x - Step 2: Convert to fraction form
371,763.75/557,644.53 = 105,524.49/x - Step 3: Cross multiply
371,763.75x = 557,644.53 × 105,524.49 - Step 4: Simplify right side
371,763.75x = 58,845,154,629.54 - Step 5: Solve for x
x = 58,845,154,629.54/371,763.75 - Step 6: Final answer
x = 158,286.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.