Finding the Fourth Proportional to 311,861.43, 467,743.55 and 101,497.95
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Solution
The fourth proportional to 311,861.43, 467,743.55 and 101,497.95 is: 152,231.11
Step by Step Solution
- Step 1: Write the proportion equation
311,861.43 : 467,743.55 = 101,497.95 : x - Step 2: Convert to fraction form
311,861.43/467,743.55 = 101,497.95/x - Step 3: Cross multiply
311,861.43x = 467,743.55 × 101,497.95 - Step 4: Simplify right side
311,861.43x = 47,475,010,943.23 - Step 5: Solve for x
x = 47,475,010,943.23/311,861.43 - Step 6: Final answer
x = 152,231.11
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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.