Finding the Fourth Proportional to 212,295.26, 318,180.45 and 107,056.82
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Solution
The fourth proportional to 212,295.26, 318,180.45 and 107,056.82 is: 160,452.89
Step by Step Solution
- Step 1: Write the proportion equation
212,295.26 : 318,180.45 = 107,056.82 : x - Step 2: Convert to fraction form
212,295.26/318,180.45 = 107,056.82/x - Step 3: Cross multiply
212,295.26x = 318,180.45 × 107,056.82 - Step 4: Simplify right side
212,295.26x = 34,063,388,360.08 - Step 5: Solve for x
x = 34,063,388,360.08/212,295.26 - Step 6: Final answer
x = 160,452.89
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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.