Finding the Fourth Proportional to 248,857.80, 373,286.70 and 115,693.80
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Solution
The fourth proportional to 248,857.80, 373,286.70 and 115,693.80 is: 173,540.70
Step by Step Solution
- Step 1: Write the proportion equation
248,857.80 : 373,286.70 = 115,693.80 : x - Step 2: Convert to fraction form
248,857.80/373,286.70 = 115,693.80/x - Step 3: Cross multiply
248,857.80x = 373,286.70 × 115,693.80 - Step 4: Simplify right side
248,857.80x = 43,186,956,812.46 - Step 5: Solve for x
x = 43,186,956,812.46/248,857.80 - Step 6: Final answer
x = 173,540.70
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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.