Finding the Fourth Proportional to 289,872.96, 400,028.82 and 175,135.68
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Solution
The fourth proportional to 289,872.96, 400,028.82 and 175,135.68 is: 241,689.74
Step by Step Solution
- Step 1: Write the proportion equation
289,872.96 : 400,028.82 = 175,135.68 : x - Step 2: Convert to fraction form
289,872.96/400,028.82 = 175,135.68/x - Step 3: Cross multiply
289,872.96x = 400,028.82 × 175,135.68 - Step 4: Simplify right side
289,872.96x = 70,059,319,410.30 - Step 5: Solve for x
x = 70,059,319,410.30/289,872.96 - Step 6: Final answer
x = 241,689.74
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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.