Finding the Fourth Proportional to 326,078.62, 449,988.08 and 180,906.41
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Solution
The fourth proportional to 326,078.62, 449,988.08 and 180,906.41 is: 249,650.62
Step by Step Solution
- Step 1: Write the proportion equation
326,078.62 : 449,988.08 = 180,906.41 : x - Step 2: Convert to fraction form
326,078.62/449,988.08 = 180,906.41/x - Step 3: Cross multiply
326,078.62x = 449,988.08 × 180,906.41 - Step 4: Simplify right side
326,078.62x = 81,405,728,095.59 - Step 5: Solve for x
x = 81,405,728,095.59/326,078.62 - Step 6: Final answer
x = 249,650.62
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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.