Finding the Fourth Proportional to 331,492.23, 497,744.99 and 317,845.35
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Solution
The fourth proportional to 331,492.23, 497,744.99 and 317,845.35 is: 477,253.81
Step by Step Solution
- Step 1: Write the proportion equation
331,492.23 : 497,744.99 = 317,845.35 : x - Step 2: Convert to fraction form
331,492.23/497,744.99 = 317,845.35/x - Step 3: Cross multiply
331,492.23x = 497,744.99 × 317,845.35 - Step 4: Simplify right side
331,492.23x = 158,205,930,557.30 - Step 5: Solve for x
x = 158,205,930,557.30/331,492.23 - Step 6: Final answer
x = 477,253.81
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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.