Finding the Fourth Proportional to 394,400.65, 591,390.50 and 204,669.99
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Solution
The fourth proportional to 394,400.65, 591,390.50 and 204,669.99 is: 306,895.75
Step by Step Solution
- Step 1: Write the proportion equation
394,400.65 : 591,390.50 = 204,669.99 : x - Step 2: Convert to fraction form
394,400.65/591,390.50 = 204,669.99/x - Step 3: Cross multiply
394,400.65x = 591,390.50 × 204,669.99 - Step 4: Simplify right side
394,400.65x = 121,039,885,247.54 - Step 5: Solve for x
x = 121,039,885,247.54/394,400.65 - Step 6: Final answer
x = 306,895.75
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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.