Finding the Fourth Proportional to 212,546.94, 318,862.47 and 60,745.38
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Solution
The fourth proportional to 212,546.94, 318,862.47 and 60,745.38 is: 91,130.09
Step by Step Solution
- Step 1: Write the proportion equation
212,546.94 : 318,862.47 = 60,745.38 : x - Step 2: Convert to fraction form
212,546.94/318,862.47 = 60,745.38/x - Step 3: Cross multiply
212,546.94x = 318,862.47 × 60,745.38 - Step 4: Simplify right side
212,546.94x = 19,369,421,907.89 - Step 5: Solve for x
x = 19,369,421,907.89/212,546.94 - Step 6: Final answer
x = 91,130.09
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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.