Finding the Fourth Proportional to 397,135.44, 595,368.23 and 172,326.83
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Solution
The fourth proportional to 397,135.44, 595,368.23 and 172,326.83 is: 258,344.90
Step by Step Solution
- Step 1: Write the proportion equation
397,135.44 : 595,368.23 = 172,326.83 : x - Step 2: Convert to fraction form
397,135.44/595,368.23 = 172,326.83/x - Step 3: Cross multiply
397,135.44x = 595,368.23 × 172,326.83 - Step 4: Simplify right side
397,135.44x = 102,597,915,920.14 - Step 5: Solve for x
x = 102,597,915,920.14/397,135.44 - Step 6: Final answer
x = 258,344.90
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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.