Finding the Fourth Proportional to 252,998.16, 378,709.92 and 159,307.08
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Solution
The fourth proportional to 252,998.16, 378,709.92 and 159,307.08 is: 238,464.86
Step by Step Solution
- Step 1: Write the proportion equation
252,998.16 : 378,709.92 = 159,307.08 : x - Step 2: Convert to fraction form
252,998.16/378,709.92 = 159,307.08/x - Step 3: Cross multiply
252,998.16x = 378,709.92 × 159,307.08 - Step 4: Simplify right side
252,998.16x = 60,331,171,522.23 - Step 5: Solve for x
x = 60,331,171,522.23/252,998.16 - Step 6: Final answer
x = 238,464.86
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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.