Finding the Fourth Proportional to 372,171.20, 513,600.20 and 202,408.97
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Solution
The fourth proportional to 372,171.20, 513,600.20 and 202,408.97 is: 279,326.52
Step by Step Solution
- Step 1: Write the proportion equation
372,171.20 : 513,600.20 = 202,408.97 : x - Step 2: Convert to fraction form
372,171.20/513,600.20 = 202,408.97/x - Step 3: Cross multiply
372,171.20x = 513,600.20 × 202,408.97 - Step 4: Simplify right side
372,171.20x = 103,957,283,893.75 - Step 5: Solve for x
x = 103,957,283,893.75/372,171.20 - Step 6: Final answer
x = 279,326.52
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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.