Finding the Fourth Proportional to 399,049.29, 598,236.84 and 185,707.13
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Solution
The fourth proportional to 399,049.29, 598,236.84 and 185,707.13 is: 278,403.81
Step by Step Solution
- Step 1: Write the proportion equation
399,049.29 : 598,236.84 = 185,707.13 : x - Step 2: Convert to fraction form
399,049.29/598,236.84 = 185,707.13/x - Step 3: Cross multiply
399,049.29x = 598,236.84 × 185,707.13 - Step 4: Simplify right side
399,049.29x = 111,096,843,625.49 - Step 5: Solve for x
x = 111,096,843,625.49/399,049.29 - Step 6: Final answer
x = 278,403.81
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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.