Finding the Fourth Proportional to 204,357.16, 306,532.16 and 91,957.82
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Solution
The fourth proportional to 204,357.16, 306,532.16 and 91,957.82 is: 137,935.12
Step by Step Solution
- Step 1: Write the proportion equation
204,357.16 : 306,532.16 = 91,957.82 : x - Step 2: Convert to fraction form
204,357.16/306,532.16 = 91,957.82/x - Step 3: Cross multiply
204,357.16x = 306,532.16 × 91,957.82 - Step 4: Simplify right side
204,357.16x = 28,188,028,733.70 - Step 5: Solve for x
x = 28,188,028,733.70/204,357.16 - Step 6: Final answer
x = 137,935.12
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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.