Finding the Fourth Proportional to 326,641.14, 450,813.60 and 199,390.68
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Solution
The fourth proportional to 326,641.14, 450,813.60 and 199,390.68 is: 275,188.94
Step by Step Solution
- Step 1: Write the proportion equation
326,641.14 : 450,813.60 = 199,390.68 : x - Step 2: Convert to fraction form
326,641.14/450,813.60 = 199,390.68/x - Step 3: Cross multiply
326,641.14x = 450,813.60 × 199,390.68 - Step 4: Simplify right side
326,641.14x = 89,888,030,257.25 - Step 5: Solve for x
x = 89,888,030,257.25/326,641.14 - Step 6: Final answer
x = 275,188.94
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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.