Finding the Fourth Proportional to 445,542.24, 615,072.24 and 290,563.68
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Solution
The fourth proportional to 445,542.24, 615,072.24 and 290,563.68 is: 401,123.93
Step by Step Solution
- Step 1: Write the proportion equation
445,542.24 : 615,072.24 = 290,563.68 : x - Step 2: Convert to fraction form
445,542.24/615,072.24 = 290,563.68/x - Step 3: Cross multiply
445,542.24x = 615,072.24 × 290,563.68 - Step 4: Simplify right side
445,542.24x = 178,717,653,520.24 - Step 5: Solve for x
x = 178,717,653,520.24/445,542.24 - Step 6: Final answer
x = 401,123.93
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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.