Finding the Fourth Proportional to 192,383.42, 265,563.15 and 172,204.70
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Solution
The fourth proportional to 192,383.42, 265,563.15 and 172,204.70 is: 237,708.75
Step by Step Solution
- Step 1: Write the proportion equation
192,383.42 : 265,563.15 = 172,204.70 : x - Step 2: Convert to fraction form
192,383.42/265,563.15 = 172,204.70/x - Step 3: Cross multiply
192,383.42x = 265,563.15 × 172,204.70 - Step 4: Simplify right side
192,383.42x = 45,731,222,576.81 - Step 5: Solve for x
x = 45,731,222,576.81/192,383.42 - Step 6: Final answer
x = 237,708.75
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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.