Finding the Fourth Proportional to 230,542.56, 318,174.48 and 135,129.96
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Solution
The fourth proportional to 230,542.56, 318,174.48 and 135,129.96 is: 186,494.44
Step by Step Solution
- Step 1: Write the proportion equation
230,542.56 : 318,174.48 = 135,129.96 : x - Step 2: Convert to fraction form
230,542.56/318,174.48 = 135,129.96/x - Step 3: Cross multiply
230,542.56x = 318,174.48 × 135,129.96 - Step 4: Simplify right side
230,542.56x = 42,994,904,755.42 - Step 5: Solve for x
x = 42,994,904,755.42/230,542.56 - Step 6: Final answer
x = 186,494.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.