Finding the Fourth Proportional to 212,614.98, 318,920.40 and 62,858.09
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Solution
The fourth proportional to 212,614.98, 318,920.40 and 62,858.09 is: 94,286.52
Step by Step Solution
- Step 1: Write the proportion equation
212,614.98 : 318,920.40 = 62,858.09 : x - Step 2: Convert to fraction form
212,614.98/318,920.40 = 62,858.09/x - Step 3: Cross multiply
212,614.98x = 318,920.40 × 62,858.09 - Step 4: Simplify right side
212,614.98x = 20,046,725,611.43 - Step 5: Solve for x
x = 20,046,725,611.43/212,614.98 - Step 6: Final answer
x = 94,286.52
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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.