Finding the Fourth Proportional to 512,524.88, 768,860.84 and 157,568.70
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Solution
The fourth proportional to 512,524.88, 768,860.84 and 157,568.70 is: 236,375.65
Step by Step Solution
- Step 1: Write the proportion equation
512,524.88 : 768,860.84 = 157,568.70 : x - Step 2: Convert to fraction form
512,524.88/768,860.84 = 157,568.70/x - Step 3: Cross multiply
512,524.88x = 768,860.84 × 157,568.70 - Step 4: Simplify right side
512,524.88x = 121,148,403,039.71 - Step 5: Solve for x
x = 121,148,403,039.71/512,524.88 - Step 6: Final answer
x = 236,375.65
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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.