Finding the Fourth Proportional to 852,754.16, 1,278,908.40 and 253,553.96
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Solution
The fourth proportional to 852,754.16, 1,278,908.40 and 253,553.96 is: 380,264.68
Step by Step Solution
- Step 1: Write the proportion equation
852,754.16 : 1,278,908.40 = 253,553.96 : x - Step 2: Convert to fraction form
852,754.16/1,278,908.40 = 253,553.96/x - Step 3: Cross multiply
852,754.16x = 1,278,908.40 × 253,553.96 - Step 4: Simplify right side
852,754.16x = 324,272,289,297.26 - Step 5: Solve for x
x = 324,272,289,297.26/852,754.16 - Step 6: Final answer
x = 380,264.68
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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.