Finding the Fourth Proportional to 331,511.41, 457,485.79 and 180,608.41
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Solution
The fourth proportional to 331,511.41, 457,485.79 and 180,608.41 is: 249,239.63
Step by Step Solution
- Step 1: Write the proportion equation
331,511.41 : 457,485.79 = 180,608.41 : x - Step 2: Convert to fraction form
331,511.41/457,485.79 = 180,608.41/x - Step 3: Cross multiply
331,511.41x = 457,485.79 × 180,608.41 - Step 4: Simplify right side
331,511.41x = 82,625,778,842.06 - Step 5: Solve for x
x = 82,625,778,842.06/331,511.41 - Step 6: Final answer
x = 249,239.63
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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.