Finding the Fourth Proportional to 397,306.20, 595,771.68 and 144,408.76
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Solution
The fourth proportional to 397,306.20, 595,771.68 and 144,408.76 is: 216,544.95
Step by Step Solution
- Step 1: Write the proportion equation
397,306.20 : 595,771.68 = 144,408.76 : x - Step 2: Convert to fraction form
397,306.20/595,771.68 = 144,408.76/x - Step 3: Cross multiply
397,306.20x = 595,771.68 × 144,408.76 - Step 4: Simplify right side
397,306.20x = 86,034,649,551.92 - Step 5: Solve for x
x = 86,034,649,551.92/397,306.20 - Step 6: Final answer
x = 216,544.95
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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.