Finding the Fourth Proportional to 326,679.21, 450,923.00 and 211,755.11
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Solution
The fourth proportional to 326,679.21, 450,923.00 and 211,755.11 is: 292,290.55
Step by Step Solution
- Step 1: Write the proportion equation
326,679.21 : 450,923.00 = 211,755.11 : x - Step 2: Convert to fraction form
326,679.21/450,923.00 = 211,755.11/x - Step 3: Cross multiply
326,679.21x = 450,923.00 × 211,755.11 - Step 4: Simplify right side
326,679.21x = 95,485,246,153.14 - Step 5: Solve for x
x = 95,485,246,153.14/326,679.21 - Step 6: Final answer
x = 292,290.55
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1.5x scale
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.