Finding the Fourth Proportional to 331,577.48, 497,012.09 and 189,115.97
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Solution
The fourth proportional to 331,577.48, 497,012.09 and 189,115.97 is: 283,471.96
Step by Step Solution
- Step 1: Write the proportion equation
331,577.48 : 497,012.09 = 189,115.97 : x - Step 2: Convert to fraction form
331,577.48/497,012.09 = 189,115.97/x - Step 3: Cross multiply
331,577.48x = 497,012.09 × 189,115.97 - Step 4: Simplify right side
331,577.48x = 93,992,920,071.44 - Step 5: Solve for x
x = 93,992,920,071.44/331,577.48 - Step 6: Final answer
x = 283,471.96
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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.