Finding the Fourth Proportional to 212,364.24, 318,743.28 and 107,256.96
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Solution
The fourth proportional to 212,364.24, 318,743.28 and 107,256.96 is: 160,984.90
Step by Step Solution
- Step 1: Write the proportion equation
212,364.24 : 318,743.28 = 107,256.96 : x - Step 2: Convert to fraction form
212,364.24/318,743.28 = 107,256.96/x - Step 3: Cross multiply
212,364.24x = 318,743.28 × 107,256.96 - Step 4: Simplify right side
212,364.24x = 34,187,435,233.23 - Step 5: Solve for x
x = 34,187,435,233.23/212,364.24 - Step 6: Final answer
x = 160,984.90
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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.