Finding the Fourth Proportional to 331,806.44, 497,414.94 and 129,355.88
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Solution
The fourth proportional to 331,806.44, 497,414.94 and 129,355.88 is: 193,918.92
Step by Step Solution
- Step 1: Write the proportion equation
331,806.44 : 497,414.94 = 129,355.88 : x - Step 2: Convert to fraction form
331,806.44/497,414.94 = 129,355.88/x - Step 3: Cross multiply
331,806.44x = 497,414.94 × 129,355.88 - Step 4: Simplify right side
331,806.44x = 64,343,547,288.85 - Step 5: Solve for x
x = 64,343,547,288.85/331,806.44 - Step 6: Final answer
x = 193,918.92
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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.