Finding the Fourth Proportional to 326,648.14, 450,823.26 and 199,397.68
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Solution
The fourth proportional to 326,648.14, 450,823.26 and 199,397.68 is: 275,198.60
Step by Step Solution
- Step 1: Write the proportion equation
326,648.14 : 450,823.26 = 199,397.68 : x - Step 2: Convert to fraction form
326,648.14/450,823.26 = 199,397.68/x - Step 3: Cross multiply
326,648.14x = 450,823.26 × 199,397.68 - Step 4: Simplify right side
326,648.14x = 89,893,112,134.04 - Step 5: Solve for x
x = 89,893,112,134.04/326,648.14 - Step 6: Final answer
x = 275,198.60
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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.