Finding the Fourth Proportional to 397,692.08, 548,838.72 and 227,937.12
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Solution
The fourth proportional to 397,692.08, 548,838.72 and 227,937.12 is: 314,566.78
Step by Step Solution
- Step 1: Write the proportion equation
397,692.08 : 548,838.72 = 227,937.12 : x - Step 2: Convert to fraction form
397,692.08/548,838.72 = 227,937.12/x - Step 3: Cross multiply
397,692.08x = 548,838.72 × 227,937.12 - Step 4: Simplify right side
397,692.08x = 125,100,717,181.29 - Step 5: Solve for x
x = 125,100,717,181.29/397,692.08 - Step 6: Final answer
x = 314,566.78
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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.