Finding the Fourth Proportional to 297,956.58, 411,175.53 and 161,989.44
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Solution
The fourth proportional to 297,956.58, 411,175.53 and 161,989.44 is: 223,542.95
Step by Step Solution
- Step 1: Write the proportion equation
297,956.58 : 411,175.53 = 161,989.44 : x - Step 2: Convert to fraction form
297,956.58/411,175.53 = 161,989.44/x - Step 3: Cross multiply
297,956.58x = 411,175.53 × 161,989.44 - Step 4: Simplify right side
297,956.58x = 66,606,093,846.40 - Step 5: Solve for x
x = 66,606,093,846.40/297,956.58 - Step 6: Final answer
x = 223,542.95
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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.