Finding the Fourth Proportional to 115,609.13, 173,413.70 and 32,503.13
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Solution
The fourth proportional to 115,609.13, 173,413.70 and 32,503.13 is: 48,754.69
Step by Step Solution
- Step 1: Write the proportion equation
115,609.13 : 173,413.70 = 32,503.13 : x - Step 2: Convert to fraction form
115,609.13/173,413.70 = 32,503.13/x - Step 3: Cross multiply
115,609.13x = 173,413.70 × 32,503.13 - Step 4: Simplify right side
115,609.13x = 5,636,487,005.30 - Step 5: Solve for x
x = 5,636,487,005.30/115,609.13 - Step 6: Final answer
x = 48,754.69
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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.