Finding the Fourth Proportional to 331,208.80, 457,065.36 and 180,305.44
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Solution
The fourth proportional to 331,208.80, 457,065.36 and 180,305.44 is: 248,819.99
Step by Step Solution
- Step 1: Write the proportion equation
331,208.80 : 457,065.36 = 180,305.44 : x - Step 2: Convert to fraction form
331,208.80/457,065.36 = 180,305.44/x - Step 3: Cross multiply
331,208.80x = 457,065.36 × 180,305.44 - Step 4: Simplify right side
331,208.80x = 82,411,370,843.56 - Step 5: Solve for x
x = 82,411,370,843.56/331,208.80 - Step 6: Final answer
x = 248,819.99
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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.