Finding the Fourth Proportional to 327,167.19, 490,400.87 and 149,407.83
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Solution
The fourth proportional to 327,167.19, 490,400.87 and 149,407.83 is: 223,951.95
Step by Step Solution
- Step 1: Write the proportion equation
327,167.19 : 490,400.87 = 149,407.83 : x - Step 2: Convert to fraction form
327,167.19/490,400.87 = 149,407.83/x - Step 3: Cross multiply
327,167.19x = 490,400.87 × 149,407.83 - Step 4: Simplify right side
327,167.19x = 73,269,729,069.77 - Step 5: Solve for x
x = 73,269,729,069.77/327,167.19 - Step 6: Final answer
x = 223,951.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.