Finding the Fourth Proportional to 197,057.29, 271,983.33 and 129,034.76
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Solution
The fourth proportional to 197,057.29, 271,983.33 and 129,034.76 is: 178,096.96
Step by Step Solution
- Step 1: Write the proportion equation
197,057.29 : 271,983.33 = 129,034.76 : x - Step 2: Convert to fraction form
197,057.29/271,983.33 = 129,034.76/x - Step 3: Cross multiply
197,057.29x = 271,983.33 × 129,034.76 - Step 4: Simplify right side
197,057.29x = 35,095,303,710.55 - Step 5: Solve for x
x = 35,095,303,710.55/197,057.29 - Step 6: Final answer
x = 178,096.96
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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.