Finding the Fourth Proportional to 327,470,234.40, 491,205,351.60 and 155,283,350.40
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Solution
The fourth proportional to 327,470,234.40, 491,205,351.60 and 155,283,350.40 is: 232,925,025.60
Step by Step Solution
- Step 1: Write the proportion equation
327,470,234.40 : 491,205,351.60 = 155,283,350.40 : x - Step 2: Convert to fraction form
327,470,234.40/491,205,351.60 = 155,283,350.40/x - Step 3: Cross multiply
327,470,234.40x = 491,205,351.60 × 155,283,350.40 - Step 4: Simplify right side
327,470,234.40x = 76,276,012,730,858,000 - Step 5: Solve for x
x = 76,276,012,730,858,000/327,470,234.40 - Step 6: Final answer
x = 232,925,025.60
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1.5x scale
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.