Finding the Fourth Proportional to 397,121.29, 595,537.74 and 217,339.59
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Solution
The fourth proportional to 397,121.29, 595,537.74 and 217,339.59 is: 325,930.47
Step by Step Solution
- Step 1: Write the proportion equation
397,121.29 : 595,537.74 = 217,339.59 : x - Step 2: Convert to fraction form
397,121.29/595,537.74 = 217,339.59/x - Step 3: Cross multiply
397,121.29x = 595,537.74 × 217,339.59 - Step 4: Simplify right side
397,121.29x = 129,433,928,241.13 - Step 5: Solve for x
x = 129,433,928,241.13/397,121.29 - Step 6: Final answer
x = 325,930.47
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1.5x scale
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.