Finding the Fourth Proportional to 212,687.08, 318,920.25 and 62,907.68
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Solution
The fourth proportional to 212,687.08, 318,920.25 and 62,907.68 is: 94,328.88
Step by Step Solution
- Step 1: Write the proportion equation
212,687.08 : 318,920.25 = 62,907.68 : x - Step 2: Convert to fraction form
212,687.08/318,920.25 = 62,907.68/x - Step 3: Cross multiply
212,687.08x = 318,920.25 × 62,907.68 - Step 4: Simplify right side
212,687.08x = 20,062,533,032.52 - Step 5: Solve for x
x = 20,062,533,032.52/212,687.08 - Step 6: Final answer
x = 94,328.88
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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.