Finding the Fourth Proportional to 664,239.40, 996,359.10 and 264,941.80
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Solution
The fourth proportional to 664,239.40, 996,359.10 and 264,941.80 is: 397,412.70
Step by Step Solution
- Step 1: Write the proportion equation
664,239.40 : 996,359.10 = 264,941.80 : x - Step 2: Convert to fraction form
664,239.40/996,359.10 = 264,941.80/x - Step 3: Cross multiply
664,239.40x = 996,359.10 × 264,941.80 - Step 4: Simplify right side
664,239.40x = 263,977,173,400.38 - Step 5: Solve for x
x = 263,977,173,400.38/664,239.40 - Step 6: Final answer
x = 397,412.70
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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.