Finding the Fourth Proportional to 195,753.42, 270,135.12 and 114,076.44
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Solution
The fourth proportional to 195,753.42, 270,135.12 and 114,076.44 is: 157,422.81
Step by Step Solution
- Step 1: Write the proportion equation
195,753.42 : 270,135.12 = 114,076.44 : x - Step 2: Convert to fraction form
195,753.42/270,135.12 = 114,076.44/x - Step 3: Cross multiply
195,753.42x = 270,135.12 × 114,076.44 - Step 4: Simplify right side
195,753.42x = 30,816,052,808.57 - Step 5: Solve for x
x = 30,816,052,808.57/195,753.42 - Step 6: Final answer
x = 157,422.81
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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.