Finding the Fourth Proportional to 311,451.68, 467,099.76 and 101,149.76
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Solution
The fourth proportional to 311,451.68, 467,099.76 and 101,149.76 is: 151,699.39
Step by Step Solution
- Step 1: Write the proportion equation
311,451.68 : 467,099.76 = 101,149.76 : x - Step 2: Convert to fraction form
311,451.68/467,099.76 = 101,149.76/x - Step 3: Cross multiply
311,451.68x = 467,099.76 × 101,149.76 - Step 4: Simplify right side
311,451.68x = 47,247,028,620.06 - Step 5: Solve for x
x = 47,247,028,620.06/311,451.68 - Step 6: Final answer
x = 151,699.39
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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.