Finding the Fourth Proportional to 664,395.70, 996,301.95 and 264,903.70
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Solution
The fourth proportional to 664,395.70, 996,301.95 and 264,903.70 is: 397,239.29
Step by Step Solution
- Step 1: Write the proportion equation
664,395.70 : 996,301.95 = 264,903.70 : x - Step 2: Convert to fraction form
664,395.70/996,301.95 = 264,903.70/x - Step 3: Cross multiply
664,395.70x = 996,301.95 × 264,903.70 - Step 4: Simplify right side
664,395.70x = 263,924,072,872.22 - Step 5: Solve for x
x = 263,924,072,872.22/664,395.70 - Step 6: Final answer
x = 397,239.29
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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.