Finding the Fourth Proportional to 388,799.21, 582,979.09 and 160,965.98
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Solution
The fourth proportional to 388,799.21, 582,979.09 and 160,965.98 is: 241,358.00
Step by Step Solution
- Step 1: Write the proportion equation
388,799.21 : 582,979.09 = 160,965.98 : x - Step 2: Convert to fraction form
388,799.21/582,979.09 = 160,965.98/x - Step 3: Cross multiply
388,799.21x = 582,979.09 × 160,965.98 - Step 4: Simplify right side
388,799.21x = 93,839,800,541.36 - Step 5: Solve for x
x = 93,839,800,541.36/388,799.21 - Step 6: Final answer
x = 241,358.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.