Finding the Fourth Proportional to 204,065.72, 306,098.15 and 54,305.99
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Solution
The fourth proportional to 204,065.72, 306,098.15 and 54,305.99 is: 81,458.86
Step by Step Solution
- Step 1: Write the proportion equation
204,065.72 : 306,098.15 = 54,305.99 : x - Step 2: Convert to fraction form
204,065.72/306,098.15 = 54,305.99/x - Step 3: Cross multiply
204,065.72x = 306,098.15 × 54,305.99 - Step 4: Simplify right side
204,065.72x = 16,622,961,270.90 - Step 5: Solve for x
x = 16,622,961,270.90/204,065.72 - Step 6: Final answer
x = 81,458.86
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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.