Finding the Fourth Proportional to 852,376.96, 1,278,344.04 and 253,197.28
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Solution
The fourth proportional to 852,376.96, 1,278,344.04 and 253,197.28 is: 379,730.15
Step by Step Solution
- Step 1: Write the proportion equation
852,376.96 : 1,278,344.04 = 253,197.28 : x - Step 2: Convert to fraction form
852,376.96/1,278,344.04 = 253,197.28/x - Step 3: Cross multiply
852,376.96x = 1,278,344.04 × 253,197.28 - Step 4: Simplify right side
852,376.96x = 323,673,233,832.21 - Step 5: Solve for x
x = 323,673,233,832.21/852,376.96 - Step 6: Final answer
x = 379,730.15
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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.