Finding the Fourth Proportional to 212,538.93, 318,882.17 and 94,293.28
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Solution
The fourth proportional to 212,538.93, 318,882.17 and 94,293.28 is: 141,472.65
Step by Step Solution
- Step 1: Write the proportion equation
212,538.93 : 318,882.17 = 94,293.28 : x - Step 2: Convert to fraction form
212,538.93/318,882.17 = 94,293.28/x - Step 3: Cross multiply
212,538.93x = 318,882.17 × 94,293.28 - Step 4: Simplify right side
212,538.93x = 30,068,445,742.82 - Step 5: Solve for x
x = 30,068,445,742.82/212,538.93 - Step 6: Final answer
x = 141,472.65
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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.