Finding the Fourth Proportional to 361,610.49, 542,311.17 and 121,697.96
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Solution
The fourth proportional to 361,610.49, 542,311.17 and 121,697.96 is: 182,511.74
Step by Step Solution
- Step 1: Write the proportion equation
361,610.49 : 542,311.17 = 121,697.96 : x - Step 2: Convert to fraction form
361,610.49/542,311.17 = 121,697.96/x - Step 3: Cross multiply
361,610.49x = 542,311.17 × 121,697.96 - Step 4: Simplify right side
361,610.49x = 65,998,159,906.29 - Step 5: Solve for x
x = 65,998,159,906.29/361,610.49 - Step 6: Final answer
x = 182,511.74
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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.