Finding the Fourth Proportional to 664,440.20, 996,368.70 and 264,948.20
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Solution
The fourth proportional to 664,440.20, 996,368.70 and 264,948.20 is: 397,306.02
Step by Step Solution
- Step 1: Write the proportion equation
664,440.20 : 996,368.70 = 264,948.20 : x - Step 2: Convert to fraction form
664,440.20/996,368.70 = 264,948.20/x - Step 3: Cross multiply
664,440.20x = 996,368.70 × 264,948.20 - Step 4: Simplify right side
664,440.20x = 263,986,093,601.34 - Step 5: Solve for x
x = 263,986,093,601.34/664,440.20 - Step 6: Final answer
x = 397,306.02
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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.