Finding the Fourth Proportional to 397,006.58, 595,175.10 and 172,197.68
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Solution
The fourth proportional to 397,006.58, 595,175.10 and 172,197.68 is: 258,151.32
Step by Step Solution
- Step 1: Write the proportion equation
397,006.58 : 595,175.10 = 172,197.68 : x - Step 2: Convert to fraction form
397,006.58/595,175.10 = 172,197.68/x - Step 3: Cross multiply
397,006.58x = 595,175.10 × 172,197.68 - Step 4: Simplify right side
397,006.58x = 102,487,771,413.77 - Step 5: Solve for x
x = 102,487,771,413.77/397,006.58 - Step 6: Final answer
x = 258,151.32
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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.