Finding the Fourth Proportional to 293,413.70, 440,034.15 and 115,861.70
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Solution
The fourth proportional to 293,413.70, 440,034.15 and 115,861.70 is: 173,758.43
Step by Step Solution
- Step 1: Write the proportion equation
293,413.70 : 440,034.15 = 115,861.70 : x - Step 2: Convert to fraction form
293,413.70/440,034.15 = 115,861.70/x - Step 3: Cross multiply
293,413.70x = 440,034.15 × 115,861.70 - Step 4: Simplify right side
293,413.70x = 50,983,104,677.06 - Step 5: Solve for x
x = 50,983,104,677.06/293,413.70 - Step 6: Final answer
x = 173,758.43
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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.