Finding the Fourth Proportional to 212,516.44, 293,304.58 and 161,445.12
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Solution
The fourth proportional to 212,516.44, 293,304.58 and 161,445.12 is: 222,818.49
Step by Step Solution
- Step 1: Write the proportion equation
212,516.44 : 293,304.58 = 161,445.12 : x - Step 2: Convert to fraction form
212,516.44/293,304.58 = 161,445.12/x - Step 3: Cross multiply
212,516.44x = 293,304.58 × 161,445.12 - Step 4: Simplify right side
212,516.44x = 47,352,593,114.65 - Step 5: Solve for x
x = 47,352,593,114.65/212,516.44 - Step 6: Final answer
x = 222,818.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.