Finding the Fourth Proportional to 326,407.62, 450,418.57 and 181,221.81
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Solution
The fourth proportional to 326,407.62, 450,418.57 and 181,221.81 is: 250,072.80
Step by Step Solution
- Step 1: Write the proportion equation
326,407.62 : 450,418.57 = 181,221.81 : x - Step 2: Convert to fraction form
326,407.62/450,418.57 = 181,221.81/x - Step 3: Cross multiply
326,407.62x = 450,418.57 × 181,221.81 - Step 4: Simplify right side
326,407.62x = 81,625,667,390.26 - Step 5: Solve for x
x = 81,625,667,390.26/326,407.62 - Step 6: Final answer
x = 250,072.80
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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.