Finding the Fourth Proportional to 195,934.96, 270,077.44 and 154,474.08
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Solution
The fourth proportional to 195,934.96, 270,077.44 and 154,474.08 is: 212,927.62
Step by Step Solution
- Step 1: Write the proportion equation
195,934.96 : 270,077.44 = 154,474.08 : x - Step 2: Convert to fraction form
195,934.96/270,077.44 = 154,474.08/x - Step 3: Cross multiply
195,934.96x = 270,077.44 × 154,474.08 - Step 4: Simplify right side
195,934.96x = 41,719,964,072.76 - Step 5: Solve for x
x = 41,719,964,072.76/195,934.96 - Step 6: Final answer
x = 212,927.62
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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.