Finding the Fourth Proportional to 664,159.40, 996,239.10 and 264,861.80
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Solution
The fourth proportional to 664,159.40, 996,239.10 and 264,861.80 is: 397,292.70
Step by Step Solution
- Step 1: Write the proportion equation
664,159.40 : 996,239.10 = 264,861.80 : x - Step 2: Convert to fraction form
664,159.40/996,239.10 = 264,861.80/x - Step 3: Cross multiply
664,159.40x = 996,239.10 × 264,861.80 - Step 4: Simplify right side
664,159.40x = 263,865,681,256.38 - Step 5: Solve for x
x = 263,865,681,256.38/664,159.40 - Step 6: Final answer
x = 397,292.70
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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.