Finding the Fourth Proportional to 667,083.08, 920,582.09 and 361,166.13
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Solution
The fourth proportional to 667,083.08, 920,582.09 and 361,166.13 is: 498,413.28
Step by Step Solution
- Step 1: Write the proportion equation
667,083.08 : 920,582.09 = 361,166.13 : x - Step 2: Convert to fraction form
667,083.08/920,582.09 = 361,166.13/x - Step 3: Cross multiply
667,083.08x = 920,582.09 × 361,166.13 - Step 4: Simplify right side
667,083.08x = 332,483,068,986.78 - Step 5: Solve for x
x = 332,483,068,986.78/667,083.08 - Step 6: Final answer
x = 498,413.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.