Finding the Fourth Proportional to 195,714.74, 270,081.74 and 115,147.46
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Solution
The fourth proportional to 195,714.74, 270,081.74 and 115,147.46 is: 158,900.79
Step by Step Solution
- Step 1: Write the proportion equation
195,714.74 : 270,081.74 = 115,147.46 : x - Step 2: Convert to fraction form
195,714.74/270,081.74 = 115,147.46/x - Step 3: Cross multiply
195,714.74x = 270,081.74 × 115,147.46 - Step 4: Simplify right side
195,714.74x = 31,099,227,316.45 - Step 5: Solve for x
x = 31,099,227,316.45/195,714.74 - Step 6: Final answer
x = 158,900.79
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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.