Finding the Fourth Proportional to 547,859.56, 756,032.11 and 306,144.12
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Solution
The fourth proportional to 547,859.56, 756,032.11 and 306,144.12 is: 422,471.02
Step by Step Solution
- Step 1: Write the proportion equation
547,859.56 : 756,032.11 = 306,144.12 : x - Step 2: Convert to fraction form
547,859.56/756,032.11 = 306,144.12/x - Step 3: Cross multiply
547,859.56x = 756,032.11 × 306,144.12 - Step 4: Simplify right side
547,859.56x = 231,454,785,007.69 - Step 5: Solve for x
x = 231,454,785,007.69/547,859.56 - Step 6: Final answer
x = 422,471.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.