Finding the Fourth Proportional to 427,794.44, 641,837.52 and 161,631.68
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Solution
The fourth proportional to 427,794.44, 641,837.52 and 161,631.68 is: 242,502.63
Step by Step Solution
- Step 1: Write the proportion equation
427,794.44 : 641,837.52 = 161,631.68 : x - Step 2: Convert to fraction form
427,794.44/641,837.52 = 161,631.68/x - Step 3: Cross multiply
427,794.44x = 641,837.52 × 161,631.68 - Step 4: Simplify right side
427,794.44x = 103,741,276,644.63 - Step 5: Solve for x
x = 103,741,276,644.63/427,794.44 - Step 6: Final answer
x = 242,502.63
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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.