Finding the Fourth Proportional to 671,286.49, 1,006,932.44 and 271,934.81
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Solution
The fourth proportional to 671,286.49, 1,006,932.44 and 271,934.81 is: 407,903.31
Step by Step Solution
- Step 1: Write the proportion equation
671,286.49 : 1,006,932.44 = 271,934.81 : x - Step 2: Convert to fraction form
671,286.49/1,006,932.44 = 271,934.81/x - Step 3: Cross multiply
671,286.49x = 1,006,932.44 × 271,934.81 - Step 4: Simplify right side
671,286.49x = 273,819,980,394.56 - Step 5: Solve for x
x = 273,819,980,394.56/671,286.49 - Step 6: Final answer
x = 407,903.31
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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.