Finding the Fourth Proportional to 326,122.11, 450,053.12 and 197,042.62
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Solution
The fourth proportional to 326,122.11, 450,053.12 and 197,042.62 is: 271,921.60
Step by Step Solution
- Step 1: Write the proportion equation
326,122.11 : 450,053.12 = 197,042.62 : x - Step 2: Convert to fraction form
326,122.11/450,053.12 = 197,042.62/x - Step 3: Cross multiply
326,122.11x = 450,053.12 × 197,042.62 - Step 4: Simplify right side
326,122.11x = 88,679,645,903.97 - Step 5: Solve for x
x = 88,679,645,903.97/326,122.11 - Step 6: Final answer
x = 271,921.60
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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.