Finding the Fourth Proportional to 212,425.56, 318,528.63 and 62,646.80
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Solution
The fourth proportional to 212,425.56, 318,528.63 and 62,646.80 is: 93,937.84
Step by Step Solution
- Step 1: Write the proportion equation
212,425.56 : 318,528.63 = 62,646.80 : x - Step 2: Convert to fraction form
212,425.56/318,528.63 = 62,646.80/x - Step 3: Cross multiply
212,425.56x = 318,528.63 × 62,646.80 - Step 4: Simplify right side
212,425.56x = 19,954,797,785.24 - Step 5: Solve for x
x = 19,954,797,785.24/212,425.56 - Step 6: Final answer
x = 93,937.84
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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.