Finding the Fourth Proportional to 664,716.30, 996,880.05 and 238,202.70
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Solution
The fourth proportional to 664,716.30, 996,880.05 and 238,202.70 is: 357,234.39
Step by Step Solution
- Step 1: Write the proportion equation
664,716.30 : 996,880.05 = 238,202.70 : x - Step 2: Convert to fraction form
664,716.30/996,880.05 = 238,202.70/x - Step 3: Cross multiply
664,716.30x = 996,880.05 × 238,202.70 - Step 4: Simplify right side
664,716.30x = 237,459,519,486.14 - Step 5: Solve for x
x = 237,459,519,486.14/664,716.30 - Step 6: Final answer
x = 357,234.39
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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.