Finding the Fourth Proportional to 297,957.58, 411,176.91 and 161,990.44
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Solution
The fourth proportional to 297,957.58, 411,176.91 and 161,990.44 is: 223,544.33
Step by Step Solution
- Step 1: Write the proportion equation
297,957.58 : 411,176.91 = 161,990.44 : x - Step 2: Convert to fraction form
297,957.58/411,176.91 = 161,990.44/x - Step 3: Cross multiply
297,957.58x = 411,176.91 × 161,990.44 - Step 4: Simplify right side
297,957.58x = 66,606,728,568.74 - Step 5: Solve for x
x = 66,606,728,568.74/297,957.58 - Step 6: Final answer
x = 223,544.33
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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.