Finding the Fourth Proportional to 824,569.92, 1,236,892.14 and 225,517.68
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Solution
The fourth proportional to 824,569.92, 1,236,892.14 and 225,517.68 is: 338,286.71
Step by Step Solution
- Step 1: Write the proportion equation
824,569.92 : 1,236,892.14 = 225,517.68 : x - Step 2: Convert to fraction form
824,569.92/1,236,892.14 = 225,517.68/x - Step 3: Cross multiply
824,569.92x = 1,236,892.14 × 225,517.68 - Step 4: Simplify right side
824,569.92x = 278,941,045,823.04 - Step 5: Solve for x
x = 278,941,045,823.04/824,569.92 - Step 6: Final answer
x = 338,286.71
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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.