Finding the Fourth Proportional to 548,512.20, 822,768.30 and 193,537.80
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Solution
The fourth proportional to 548,512.20, 822,768.30 and 193,537.80 is: 290,306.70
Step by Step Solution
- Step 1: Write the proportion equation
548,512.20 : 822,768.30 = 193,537.80 : x - Step 2: Convert to fraction form
548,512.20/822,768.30 = 193,537.80/x - Step 3: Cross multiply
548,512.20x = 822,768.30 × 193,537.80 - Step 4: Simplify right side
548,512.20x = 159,236,766,691.74 - Step 5: Solve for x
x = 159,236,766,691.74/548,512.20 - Step 6: Final answer
x = 290,306.70
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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.