Finding the Fourth Proportional to 331,805.44, 497,413.44 and 129,354.88
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Solution
The fourth proportional to 331,805.44, 497,413.44 and 129,354.88 is: 193,917.42
Step by Step Solution
- Step 1: Write the proportion equation
331,805.44 : 497,413.44 = 129,354.88 : x - Step 2: Convert to fraction form
331,805.44/497,413.44 = 129,354.88/x - Step 3: Cross multiply
331,805.44x = 497,413.44 × 129,354.88 - Step 4: Simplify right side
331,805.44x = 64,342,855,841.59 - Step 5: Solve for x
x = 64,342,855,841.59/331,805.44 - Step 6: Final answer
x = 193,917.42
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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.