Finding the Fourth Proportional to 217,535.94, 326,290.75 and 129,350.63
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Solution
The fourth proportional to 217,535.94, 326,290.75 and 129,350.63 is: 194,018.12
Step by Step Solution
- Step 1: Write the proportion equation
217,535.94 : 326,290.75 = 129,350.63 : x - Step 2: Convert to fraction form
217,535.94/326,290.75 = 129,350.63/x - Step 3: Cross multiply
217,535.94x = 326,290.75 × 129,350.63 - Step 4: Simplify right side
217,535.94x = 42,205,914,568.02 - Step 5: Solve for x
x = 42,205,914,568.02/217,535.94 - Step 6: Final answer
x = 194,018.12
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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.