Finding the Fourth Proportional to 397,692.58, 548,839.41 and 227,937.62
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Solution
The fourth proportional to 397,692.58, 548,839.41 and 227,937.62 is: 314,567.47
Step by Step Solution
- Step 1: Write the proportion equation
397,692.58 : 548,839.41 = 227,937.62 : x - Step 2: Convert to fraction form
397,692.58/548,839.41 = 227,937.62/x - Step 3: Cross multiply
397,692.58x = 548,839.41 × 227,937.62 - Step 4: Simplify right side
397,692.58x = 125,101,148,877.60 - Step 5: Solve for x
x = 125,101,148,877.60/397,692.58 - Step 6: Final answer
x = 314,567.47
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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.