Finding the Fourth Proportional to 311,197.08, 466,691.76 and 121,608.12
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Solution
The fourth proportional to 311,197.08, 466,691.76 and 121,608.12 is: 182,371.59
Step by Step Solution
- Step 1: Write the proportion equation
311,197.08 : 466,691.76 = 121,608.12 : x - Step 2: Convert to fraction form
311,197.08/466,691.76 = 121,608.12/x - Step 3: Cross multiply
311,197.08x = 466,691.76 × 121,608.12 - Step 4: Simplify right side
311,197.08x = 56,753,507,553.09 - Step 5: Solve for x
x = 56,753,507,553.09/311,197.08 - Step 6: Final answer
x = 182,371.59
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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.