Finding the Fourth Proportional to 306,674,729.28, 459,743,355.36 and 115,332,874.56
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Solution
The fourth proportional to 306,674,729.28, 459,743,355.36 and 115,332,874.56 is: 172,898,245.83
Step by Step Solution
- Step 1: Write the proportion equation
306,674,729.28 : 459,743,355.36 = 115,332,874.56 : x - Step 2: Convert to fraction form
306,674,729.28/459,743,355.36 = 115,332,874.56/x - Step 3: Cross multiply
306,674,729.28x = 459,743,355.36 × 115,332,874.56 - Step 4: Simplify right side
306,674,729.28x = 53,023,522,733,528,384 - Step 5: Solve for x
x = 53,023,522,733,528,384/306,674,729.28 - Step 6: Final answer
x = 172,898,245.83
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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.