Finding the Fourth Proportional to 212,212.08, 318,318.18 and 54,440.52
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Solution
The fourth proportional to 212,212.08, 318,318.18 and 54,440.52 is: 81,660.80
Step by Step Solution
- Step 1: Write the proportion equation
212,212.08 : 318,318.18 = 54,440.52 : x - Step 2: Convert to fraction form
212,212.08/318,318.18 = 54,440.52/x - Step 3: Cross multiply
212,212.08x = 318,318.18 × 54,440.52 - Step 4: Simplify right side
212,212.08x = 17,329,407,244.65 - Step 5: Solve for x
x = 17,329,407,244.65/212,212.08 - Step 6: Final answer
x = 81,660.80
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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.