Finding the Fourth Proportional to 311,961.87, 467,516.14 and 169,620.98
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Solution
The fourth proportional to 311,961.87, 467,516.14 and 169,620.98 is: 254,199.47
Step by Step Solution
- Step 1: Write the proportion equation
311,961.87 : 467,516.14 = 169,620.98 : x - Step 2: Convert to fraction form
311,961.87/467,516.14 = 169,620.98/x - Step 3: Cross multiply
311,961.87x = 467,516.14 × 169,620.98 - Step 4: Simplify right side
311,961.87x = 79,300,543,070.98 - Step 5: Solve for x
x = 79,300,543,070.98/311,961.87 - Step 6: Final answer
x = 254,199.47
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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.