Finding the Fourth Proportional to 311,049.36, 466,296.12 and 121,465.62
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Solution
The fourth proportional to 311,049.36, 466,296.12 and 121,465.62 is: 182,089.90
Step by Step Solution
- Step 1: Write the proportion equation
311,049.36 : 466,296.12 = 121,465.62 : x - Step 2: Convert to fraction form
311,049.36/466,296.12 = 121,465.62/x - Step 3: Cross multiply
311,049.36x = 466,296.12 × 121,465.62 - Step 4: Simplify right side
311,049.36x = 56,638,947,319.39 - Step 5: Solve for x
x = 56,638,947,319.39/311,049.36 - Step 6: Final answer
x = 182,089.90
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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.