Finding the Fourth Proportional to 208,727.37, 313,115.67 and 66,523.19
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Solution
The fourth proportional to 208,727.37, 313,115.67 and 66,523.19 is: 99,792.62
Step by Step Solution
- Step 1: Write the proportion equation
208,727.37 : 313,115.67 = 66,523.19 : x - Step 2: Convert to fraction form
208,727.37/313,115.67 = 66,523.19/x - Step 3: Cross multiply
208,727.37x = 313,115.67 × 66,523.19 - Step 4: Simplify right side
208,727.37x = 20,829,451,641.81 - Step 5: Solve for x
x = 20,829,451,641.81/208,727.37 - Step 6: Final answer
x = 99,792.62
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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.