Finding the Fourth Proportional to 331,837.20, 497,755.80 and 110,221.20
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Solution
The fourth proportional to 331,837.20, 497,755.80 and 110,221.20 is: 165,331.80
Step by Step Solution
- Step 1: Write the proportion equation
331,837.20 : 497,755.80 = 110,221.20 : x - Step 2: Convert to fraction form
331,837.20/497,755.80 = 110,221.20/x - Step 3: Cross multiply
331,837.20x = 497,755.80 × 110,221.20 - Step 4: Simplify right side
331,837.20x = 54,863,241,582.96 - Step 5: Solve for x
x = 54,863,241,582.96/331,837.20 - Step 6: Final answer
x = 165,331.80
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1.5x scale
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.