Finding the Fourth Proportional to 321,631.12, 481,837.73 and 214,692.63
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Solution
The fourth proportional to 321,631.12, 481,837.73 and 214,692.63 is: 321,632.46
Step by Step Solution
- Step 1: Write the proportion equation
321,631.12 : 481,837.73 = 214,692.63 : x - Step 2: Convert to fraction form
321,631.12/481,837.73 = 214,692.63/x - Step 3: Cross multiply
321,631.12x = 481,837.73 × 214,692.63 - Step 4: Simplify right side
321,631.12x = 103,447,009,120.22 - Step 5: Solve for x
x = 103,447,009,120.22/321,631.12 - Step 6: Final answer
x = 321,632.46
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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.