Finding the Fourth Proportional to 852,211.29, 1,278,491.91 and 253,119.09
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Solution
The fourth proportional to 852,211.29, 1,278,491.91 and 253,119.09 is: 379,730.61
Step by Step Solution
- Step 1: Write the proportion equation
852,211.29 : 1,278,491.91 = 253,119.09 : x - Step 2: Convert to fraction form
852,211.29/1,278,491.91 = 253,119.09/x - Step 3: Cross multiply
852,211.29x = 1,278,491.91 × 253,119.09 - Step 4: Simplify right side
852,211.29x = 323,610,708,831.56 - Step 5: Solve for x
x = 323,610,708,831.56/852,211.29 - Step 6: Final answer
x = 379,730.61
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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.